Savino peter (33 risultati)

- Brossura
Da: -OnTimeBooks-, Phoenix, AZ, U.S.A.-OnTimeBooks-
Contatta il venditoreVenditore con 5 stelleCondizione: Usato - Molto buono
EUR 7,93
Spedizione gratuitaSpedito in U.S.A.Quantità: 1 disponibili
Condizione: very_good. Gently read. May have name of previous ownership, or ex-library edition. Binding tight; spine straight and smooth, with no creasing; covers clean and crisp. Minimal signs of handling or shelving. 100% GUARANTEE! Shipped with delivery confirmation, if you're not satisfied with purchase please return item! S…hips USPS Media Mail.

- Rilegato
Da: Hamelyn, Madrid, M, SpagnaHamelyn
Contatta il venditoreVenditore con 5 stelleCondizione: Usato - Quasi ottimo
EUR 10,50
EUR 12,99 spedizioneSpedito da Spagna a U.S.A.Quantità: 1 disponibili
Condizione: Muy bueno. : Este libro, 'Clinical Decisions in Neuro-ophthalmology', es una guía organizada por síntomas para la identificación y el tratamiento de afecciones neuro-oftálmicas. Incluye árboles de decisión y discusiones concisas que guían al lector desde la queja inicial hasta el diagnóstico definitivo, delineando lo…s enfoques médicos y quirúrgicos más apropiados. Esta edición ha sido actualizada con información reciente en el campo e incluye avances en imágenes cerebrales. Cubre temas como neuropatías ópticas, ilusiones visuales y alucinaciones, trastornos de los párpados, proptosis y dolor periódico y dolor de cabeza. EAN: 9780801608919 Tipo: Libros Categoría: Salud y Bienestar|Ciencias Título: Clinical Decisions in Neuro-ophthalmology Autor: Ronald M. Burde| Peter J. Savino| Jonathan D. Trobe Editorial: Mosby Idioma: en Páginas: 338 Formato: tapa dura.

- Brossura
Da: Hamelyn, Madrid, M, SpagnaHamelyn
Contatta il venditoreVenditore con 5 stelleCondizione: Usato - Molto buono
EUR 28,85
EUR 12,99 spedizioneSpedito da Spagna a U.S.A.Quantità: 1 disponibili
Condizione: Bueno. : Este libro es un atlas a color y un resumen de oftalmología clínica, que cubre cada subespecialidad esencial en oftalmología, incluyendo la pediatría. Cada título presenta más de 150 ilustraciones a color y un formato corto y conciso que incluye: epidemiología y etiología, historia, examen físico, diagnóstic…o diferencial, exámenes de laboratorio y especiales, diagnóstico, pronóstico y manejo. EAN: 9780071375955 Tipo: Libros Categoría: Ciencias Título: Neuro-Ophthalmology Autor: Peter J. Savino| Helen Danesh-Meyer Editorial: McGraw-Hill Education / Medical Idioma: en Páginas: 300 Formato: tapa blanda.

Clinical Decisions in Neuro-Ophthalmology
Ronald M. Burde MD; Peter J. Savino MD; Jonathan D. Trobe MD
- Rilegato
Da: ThriftBooks-Atlanta, AUSTELL, GA, U.S.A.ThriftBooks-Atlanta
Contatta il venditoreVenditore con 5 stelleCondizione: Usato - Discreto
EUR 80,11
Spedizione gratuitaSpedito in U.S.A.Quantità: 1 disponibili
Hardcover. Condizione: Fair. No Jacket. Readable copy. Pages may have considerable notes/highlighting. ~ ThriftBooks: Read More, Spend Less.

Clinical Decisions in Neuro-Ophthalmology
Burde MD, Ronald M.; Savino MD, Peter J.; Trobe MD, Jonathan D.
- Rilegato
Da: Sunshine State Books, Lithia, FL, U.S.A.Sunshine State Books
Contatta il venditoreVenditore con 4 stelleCondizione: Nuovo
EUR 85,56
EUR 6,46 spedizioneSpedito in U.S.A.Quantità: 1 disponibili
hardcover. Condizione: New. Hardback--new in factory seal.

Lingua: Inglese
Editore: Lippincott WilliamsandWilki, 2024
- Brossura
Da: PBShop.store US, Wood Dale, IL, U.S.A.PBShop.store US
Contatta il venditoreVenditore con 5 stelleCondizione: Nuovo
EUR 103,97
Spedizione gratuitaSpedito in U.S.A.Quantità: 10 disponibili
PAP. Condizione: New. New Book. Shipped from UK. Established seller since 2000.

Lingua: Inglese
Editore: Lippincott WilliamsandWilki, 2024
- Brossura
Da: PBShop.store UK, Fairford, GLOS, Regno UnitoPBShop.store UK
Contatta il venditoreVenditore con 5 stelleCondizione: Nuovo
EUR 107,91
EUR 6,85 spedizioneSpedito da Regno Unito a U.S.A.Quantità: 15 disponibili
PAP. Condizione: New. New Book. Shipped from UK. Established seller since 2000.

Lingua: Inglese
Editore: LWW, 2024
- Brossura
Da: GreatBookPrices, Columbia, MD, U.S.A.GreatBookPrices
Contatta il venditoreVenditore con 5 stelleCondizione: Nuovo
EUR 115,89
EUR 2,28 spedizioneSpedito in U.S.A.Quantità: 17 disponibili
Condizione: New.

- Brossura
Da: liu xing, Nanjing, JS, Cinaliu xing
Contatta il venditoreVenditore con 5 stelleCondizione: Nuovo
EUR 103,29
EUR 15,58 spedizioneSpedito da Cina a U.S.A.Quantità: 1 disponibili
paperback. Condizione: New. Language:Chinese.Paperback. Publisher: Shanghai Science and Technology Press. This book introduced the optic neuritis. syphilitic optic neuropathy.

Lingua: Inglese
Editore: LWW, 2024
- Brossura
Da: GreatBookPricesUK, Woodford Green, Regno UnitoGreatBookPricesUK
Contatta il venditoreVenditore con 5 stelleCondizione: Nuovo
EUR 107,08
EUR 17,51 spedizioneSpedito da Regno Unito a U.S.A.Quantità: 18 disponibili
Condizione: New.

Lingua: Inglese
Editore: LWW, 2024
- Brossura
Da: GreatBookPrices, Columbia, MD, U.S.A.GreatBookPrices
Contatta il venditoreVenditore con 5 stelleCondizione: Usato - Come nuovo
EUR 124,50
EUR 2,28 spedizioneSpedito in U.S.A.Quantità: 16 disponibili
Condizione: As New. Unread book in perfect condition.

Lingua: Inglese
Editore: LWW, 2024
- Brossura
Da: Ria Christie Collections, Uxbridge, Regno UnitoRia Christie Collections
Contatta il venditoreVenditore con 5 stelleCondizione: Nuovo
EUR 113,40
EUR 13,98 spedizioneSpedito da Regno Unito a U.S.A.Quantità: Più di 20 disponibili
Condizione: New. In.

Lingua: Inglese
Editore: LWW, 2024
- Brossura
Da: GreatBookPricesUK, Woodford Green, Regno UnitoGreatBookPricesUK
Contatta il venditoreVenditore con 5 stelleCondizione: Usato - Come nuovo
EUR 124,71
EUR 17,51 spedizioneSpedito da Regno Unito a U.S.A.Quantità: 17 disponibili
Condizione: As New. Unread book in perfect condition.

Lingua: Inglese
Editore: Wolters Kluwer Health, 2024
- Brossura
Da: THE SAINT BOOKSTORE, Southport, Regno UnitoTHE SAINT BOOKSTORE
Contatta il venditoreVenditore con 5 stelleCondizione: Nuovo
EUR 127,27
EUR 21,55 spedizioneSpedito da Regno Unito a U.S.A.Quantità: 8 disponibili
Paperback / softback. Condizione: New. New copy - Usually dispatched within 4 working days.

Lingua: Inglese
Editore: Lippincott Williams&Wilki Jul 2024, 2024
- Brossura
Da: BuchWeltWeit Ludwig Meier e.K., Bergisch Gladbach, GermaniaBuchWeltWeit Ludwig Meier e.K.
Contatta il venditoreVenditore con 5 stelleCondizione: Nuovo
EUR 125,50
EUR 23,00 spedizioneSpedito da Germania a U.S.A.Quantità: 2 disponibili
Taschenbuch. Condizione: Neu. Neuware -Developed at Philadelphia's world-renowned Wills Eye Hospital, the Color Atlas and Synopsis of Clinical Ophthalmology series covers the most clinically relevant aspects of ophthalmology in a highly visual, easy-to-use format. Vibrant, full-color photos and a consistent outline structure pre…sent a succinct, high-yield approach to the seven topics covered by this popular series: Cornea, Retina, Glaucoma, Oculoplastics, Neuro-Ophthalmology, Pediatrics, and Uveitis. This in-depth, focused approach makes each volume an excellent companion to the larger Wills Eye Manual as well as a practical stand-alone reference for students, residents, and practitioners in every area of ophthalmology.The updated Neuro-Ophthalmology volume includes:- Expert, state-of-the-art guidance on the most commonly encountered neuro-ophthalmologic problems, ideal for practicing ophthalmologists, neuro-ophthalmologists, and residents - 22 narrated clinical videos included in VitalSource Elektronisches Buch showing patients suffering from ocular misalignment and motor disorders, nystagmus, and more - A focus on recent treatment advances to ensure that patients receive the widest range of therapeutic options - Nearly 250 high-quality images that aid in visual diagnosis and treatment planning - An easy-to-use format that covers Epidemiology and Etiology, History, Physical Examination, Differential Diagnosis, Laboratory and Special Examinations, Diagnosis, Prognosis, and Management Enrich Your Elektronisches Buch Reading Experience- Read directly on your preferred device(s),such as computer, tablet, or smartphone. - Easily convert to audiobook,powering your content with natural language text-to-speech. Englisch.

Lingua: Inglese
Editore: Lippincott Williams&Wilki Jul 2024, 2024
- Brossura
Da: Rheinberg-Buch Andreas Meier eK, Bergisch Gladbach, GermaniaRheinberg-Buch Andreas Meier eK
Contatta il venditoreVenditore con 5 stelleCondizione: Nuovo
EUR 125,50
EUR 23,00 spedizioneSpedito da Germania a U.S.A.Quantità: 2 disponibili
Taschenbuch. Condizione: Neu. Neuware -Developed at Philadelphia's world-renowned Wills Eye Hospital, the Color Atlas and Synopsis of Clinical Ophthalmology series covers the most clinically relevant aspects of ophthalmology in a highly visual, easy-to-use format. Vibrant, full-color photos and a consistent outline structure pre…sent a succinct, high-yield approach to the seven topics covered by this popular series: Cornea, Retina, Glaucoma, Oculoplastics, Neuro-Ophthalmology, Pediatrics, and Uveitis. This in-depth, focused approach makes each volume an excellent companion to the larger Wills Eye Manual as well as a practical stand-alone reference for students, residents, and practitioners in every area of ophthalmology.The updated Neuro-Ophthalmology volume includes:- Expert, state-of-the-art guidance on the most commonly encountered neuro-ophthalmologic problems, ideal for practicing ophthalmologists, neuro-ophthalmologists, and residents - 22 narrated clinical videos included in VitalSource Elektronisches Buch showing patients suffering from ocular misalignment and motor disorders, nystagmus, and more - A focus on recent treatment advances to ensure that patients receive the widest range of therapeutic options - Nearly 250 high-quality images that aid in visual diagnosis and treatment planning - An easy-to-use format that covers Epidemiology and Etiology, History, Physical Examination, Differential Diagnosis, Laboratory and Special Examinations, Diagnosis, Prognosis, and Management Enrich Your Elektronisches Buch Reading Experience- Read directly on your preferred device(s),such as computer, tablet, or smartphone. - Easily convert to audiobook,powering your content with natural language text-to-speech. Englisch.

Lingua: Inglese
Editore: Lippincott Williams&Wilki Jul 2024, 2024
- Brossura
Da: Wegmann1855, Zwiesel, GermaniaWegmann1855
Contatta il venditoreVenditore con 5 stelleCondizione: Nuovo
EUR 125,50
EUR 25,95 spedizioneSpedito da Germania a U.S.A.Quantità: 2 disponibili
Taschenbuch. Condizione: Neu. Neuware -Developed at Philadelphia's world-renowned Wills Eye Hospital, the Color Atlas and Synopsis of Clinical Ophthalmology series covers the most clinically relevant aspects of ophthalmology in a highly visual, easy-to-use format. Vibrant, full-color photos and a consistent outline structure pre…sent a succinct, high-yield approach to the seven topics covered by this popular series: Cornea, Retina, Glaucoma, Oculoplastics, Neuro-Ophthalmology, Pediatrics, and Uveitis. This in-depth, focused approach makes each volume an excellent companion to the larger Wills Eye Manual as well as a practical stand-alone reference for students, residents, and practitioners in every area of ophthalmology.The updated Neuro-Ophthalmology volume includes:- Expert, state-of-the-art guidance on the most commonly encountered neuro-ophthalmologic problems, ideal for practicing ophthalmologists, neuro-ophthalmologists, and residents - 22 narrated clinical videos included in VitalSource Elektronisches Buch showing patients suffering from ocular misalignment and motor disorders, nystagmus, and more - A focus on recent treatment advances to ensure that patients receive the widest range of therapeutic options - Nearly 250 high-quality images that aid in visual diagnosis and treatment planning - An easy-to-use format that covers Epidemiology and Etiology, History, Physical Examination, Differential Diagnosis, Laboratory and Special Examinations, Diagnosis, Prognosis, and Management Enrich Your Elektronisches Buch Reading Experience- Read directly on your preferred device(s),such as computer, tablet, or smartphone. - Easily convert to audiobook,powering your content with natural language text-to-speech.

Lingua: Inglese
Editore: LWW, 2024
- Brossura
Da: Books Puddle, New York, NY, U.S.A.Books Puddle
Contatta il venditoreVenditore con 4 stelleCondizione: Nuovo
EUR 152,18
EUR 3,45 spedizioneSpedito in U.S.A.Quantità: 1 disponibili
Condizione: New. Fourth edition NO-PA16APR2015-KAP.

Lingua: Inglese
Editore: Lippincott Williams & Wilkins, 2024
- Brossura
Da: Revaluation Books, Exeter, Regno UnitoRevaluation Books
Contatta il venditoreVenditore con 5 stelleCondizione: Nuovo
EUR 142,28
EUR 14,59 spedizioneSpedito da Regno Unito a U.S.A.Quantità: 2 disponibili
Paperback. Condizione: Brand New. 4th pck pap/ edition. 500 pages. 9.00x6.00x0.59 inches. In Stock.

Lingua: Inglese
Editore: LWW, 2024
- Brossura
Da: Majestic Books, Hounslow, Regno UnitoMajestic Books
Contatta il venditoreVenditore con 4 stelleCondizione: Nuovo
EUR 153,39
EUR 7,59 spedizioneSpedito da Regno Unito a U.S.A.Quantità: 1 disponibili
Condizione: New.

Lingua: Inglese
Editore: Lippincott Williams&Wilki, 2024
- Brossura
Da: preigu, Osnabrück, Germaniapreigu
Contatta il venditoreVenditore con 5 stelleCondizione: Nuovo
EUR 106,45
EUR 70,00 spedizioneSpedito da Germania a U.S.A.Quantità: 1 disponibili
Taschenbuch. Condizione: Neu. Neuro-Ophthalmology: Print + eB**k with Multimedia | Peter J. Savino (u. a.) | Taschenbuch | Wills Eye Institute Atlas Series | Englisch | 2024 | Lippincott Williams&Wilki | EAN 9781975214845 | Verantwortliche Person für die EU: Libri GmbH, Europaallee 1, 36244 Bad Hersfeld, gpsr[at]libri[dot]de | A…nbieter: preigu.

Lingua: Inglese
Editore: Lippincott Williams&Wilki Jul 2024, 2024
- Brossura
Da: buchversandmimpf2000, Emtmannsberg, BAYE, Germaniabuchversandmimpf2000
Contatta il venditoreVenditore con 5 stelleCondizione: Nuovo
EUR 125,50
EUR 60,00 spedizioneSpedito da Germania a U.S.A.Quantità: 2 disponibili
Taschenbuch. Condizione: Neu. Neuware -Developed at Philadelphia's world-renowned Wills Eye Hospital, the Color Atlas and Synopsis of Clinical Ophthalmology series covers the most clinically relevant aspects of ophthalmology in a highly visual, easy-to-use format. Vibrant, full-color photos and a consistent outline structure pre…sent a succinct, high-yield approach to the seven topics covered by this popular series: Cornea, Retina, Glaucoma, Oculoplastics, Neuro-Ophthalmology, Pediatrics, and Uveitis. This in-depth, focused approach makes each volume an excellent companion to the larger Wills Eye Manual as well as a practical stand-alone reference for students, residents, and practitioners in every area of ophthalmology.The updated Neuro-Ophthalmology volume includes:- Expert, state-of-the-art guidance on the most commonly encountered neuro-ophthalmologic problems, ideal for practicing ophthalmologists, neuro-ophthalmologists, and residents - 22 narrated clinical videos included in VitalSource Elektronisches Buch showing patients suffering from ocular misalignment and motor disorders, nystagmus, and more - A focus on recent treatment advances to ensure that patients receive the widest range of therapeutic options - Nearly 250 high-quality images that aid in visual diagnosis and treatment planning - An easy-to-use format that covers Epidemiology and Etiology, History, Physical Examination, Differential Diagnosis, Laboratory and Special Examinations, Diagnosis, Prognosis, and Management Enrich Your Elektronisches Buch Reading Experience- Read directly on your preferred device(s),such as computer, tablet, or smartphone. - Easily convert to audiobook,powering your content with natural language text-to-speech.Libri GmbH, Europaallee 1, 36244 Bad Hersfeld Englisch.

Lingua: Inglese
Editore: Lippincott Williams&Wilki Jul 2024, 2024
- Brossura
Da: AHA-BUCH GmbH, Einbeck, GermaniaAHA-BUCH GmbH
Contatta il venditoreVenditore con 5 stelleCondizione: Nuovo
EUR 125,50
EUR 63,93 spedizioneSpedito da Germania a U.S.A.Quantità: 2 disponibili
Taschenbuch. Condizione: Neu. Neuware - Developed at Philadelphia's world-renowned Wills Eye Hospital, the Color Atlas and Synopsis of Clinical Ophthalmology series covers the most clinically relevant aspects of ophthalmology in a highly visual, easy-to-use format. Vibrant, full-color photos and a consistent outline structure pr…esent a succinct, high-yield approach to the seven topics covered by this popular series: Cornea, Retina, Glaucoma, Oculoplastics, Neuro-Ophthalmology, Pediatrics, and Uveitis. This in-depth, focused approach makes each volume an excellent companion to the larger Wills Eye Manual as well as a practical stand-alone reference for students, residents, and practitioners in every area of ophthalmology.The updated Neuro-Ophthalmology volume includes:- Expert, state-of-the-art guidance on the most commonly encountered neuro-ophthalmologic problems, ideal for practicing ophthalmologists, neuro-ophthalmologists, and residents - 22 narrated clinical videos included in VitalSource Elektronisches Buch showing patients suffering from ocular misalignment and motor disorders, nystagmus, and more - A focus on recent treatment advances to ensure that patients receive the widest range of therapeutic options - Nearly 250 high-quality images that aid in visual diagnosis and treatment planning - An easy-to-use format that covers Epidemiology and Etiology, History, Physical Examination, Differential Diagnosis, Laboratory and Special Examinations, Diagnosis, Prognosis, and Management Enrich Your Elektronisches Buch Reading Experience- Read directly on your preferred device(s),such as computer, tablet, or smartphone. - Easily convert to audiobook,powering your content with natural language text-to-speech.

Lingua: Inglese
Editore: LWW, 2018
Serie: Libro 2 di 7 - Color Atlas and Synopsis of Clinical Ophthalmology
- Brossura
Da: Zoom Books East, Glendale Heights, IL, U.S.A.Zoom Books East
Contatta il venditoreVenditore con 5 stelleCondizione: Usato
EUR 197,51
Spedizione gratuitaSpedito in U.S.A.Quantità: 1 disponibili
Condizione: like_new. Book is in like new condition with minimal signs of wear. Pages are clean and free from notes or highlighting. Dust cover is intact. May not contain miscellaneous items toys, dvds, etc. . We offer 100% money back guarantee and 24 7 customer service.

Lingua: Inglese
Editore: LWW, 2018
Serie: Libro 2 di 7 - Color Atlas and Synopsis of Clinical Ophthalmology
- Brossura
Da: World of Books (was SecondSale), Montgomery, IL, U.S.A.World of Books (was SecondSale)
Contatta il venditoreVenditore con 5 stelleCondizione: Usato - Molto buono
EUR 222,40
Spedizione gratuitaSpedito in U.S.A.Quantità: 1 disponibili
Condizione: Very Good. Item in very good condition! Textbooks may not include supplemental items i.e. CDs, access codes etc.

Lingua: Inglese
Editore: Lippincott Williams&Wilki Jul 2024, 2024
- Brossura
Da: Books-by-Floh, Paderborn, GermaniaBooks-by-Floh
Contatta il venditoreVenditore con 4 stelleCondizione: Nuovo
EUR 125,50
EUR 105,00 spedizioneSpedito da Germania a U.S.A.Quantità: 2 disponibili
Taschenbuch. Condizione: Neu. Neuware -Developed at Philadelphia's world-renowned Wills Eye Hospital, the Color Atlas and Synopsis of Clinical Ophthalmology series covers the most clinically relevant aspects of ophthalmology in a highly visual, easy-to-use format. Vibrant, full-color photos and a consistent outline structure pre…sent a succinct, high-yield approach to the seven topics covered by this popular series: Cornea, Retina, Glaucoma, Oculoplastics, Neuro-Ophthalmology, Pediatrics, and Uveitis. This in-depth, focused approach makes each volume an excellent companion to the larger Wills Eye Manual as well as a practical stand-alone reference for students, residents, and practitioners in every area of ophthalmology.The updated Neuro-Ophthalmology volume includes:- Expert, state-of-the-art guidance on the most commonly encountered neuro-ophthalmologic problems, ideal for practicing ophthalmologists, neuro-ophthalmologists, and residents - 22 narrated clinical videos included in VitalSource Elektronisches Buch showing patients suffering from ocular misalignment and motor disorders, nystagmus, and more - A focus on recent treatment advances to ensure that patients receive the widest range of therapeutic options - Nearly 250 high-quality images that aid in visual diagnosis and treatment planning - An easy-to-use format that covers Epidemiology and Etiology, History, Physical Examination, Differential Diagnosis, Laboratory and Special Examinations, Diagnosis, Prognosis, and Management Enrich Your Elektronisches Buch Reading Experience- Read directly on your preferred device(s),such as computer, tablet, or smartphone. - Easily convert to audiobook,powering your content with natural language text-to-speech. Englisch.

- Rilegato
Da: Buchpark, Trebbin, GermaniaBuchpark
Contatta il venditoreVenditore con 5 stelleCondizione: Usato - Ottimo
EUR 154,98
EUR 105,00 spedizioneSpedito da Germania a U.S.A.Quantità: 1 disponibili
Condizione: Sehr gut. Zustand: Sehr gut | Seiten: 433 | Sprache: Englisch | Produktart: Bücher | Keine Beschreibung verfügbar.

- Brossura
Da: The Book Spot, Sioux Falls, MN, U.S.A.The Book Spot
Contatta il venditoreVenditore con 4 stelleCondizione: Nuovo
EUR 445,65
Spedizione gratuitaSpedito in U.S.A.Quantità: 1 disponibili
Paperback. Condizione: New.

Editore: Robbins, New York, 1939
- Brossura
- Prima edizione
Da: RareNonFiction, IOBA, Ladysmith, BC, CanadaRareNonFiction, IOBA
Contatta il venditoreVenditore con 5 stelleMembro dell’associazione: IOBA
Condizione: Usato - Buono
EUR 89,09
EUR 17,30 spedizioneSpedito da Canada a U.S.A.Quantità: 1 disponibili
Aggiungi al carrelloPaperback. Condizione: Good. First Edition. 8 pages. Composer also wrote "Deep Purple". Covers and pages neatly secured by tape at spine. Somewhat above-average wear. Unmarked. A sound copy.
- Brossura
Da: liu xing, Nanjing, JS, Cinaliu xing
Contatta il venditoreVenditore con 5 stelleCondizione: Nuovo
EUR 72,04
EUR 15,58 spedizioneSpedito da Cina a U.S.A.Quantità: 1 disponibili
Aggiungi al carrellopaperback. Condizione: New. Ship out in 2 business day, And Fast shipping, Free Tracking number will be provided after the shipment.Nerve Ophthalmology (the Wales Eye Hospital Clinical Ophthalmology. American Atlas and Essentials)Four Satisfaction guaranteed,or money back.