Vitamin A Deficiency Clinical Presentation

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George Ansstas, MD Assistant Professor of Medicine, Division of Medical Oncology, Washington University School of Medicine

George Ansstas, MD is a member of the following medical societies: American Medical Association

Disclosure: Nothing to disclose.

N Gopalswamy, MD Chairman, Professor of Internal Medicine, Department of Gastroenterology, Wright State University, Boonshoft School of Medicine, Veterans Affairs Medical Center

Disclosure: Nothing to disclose.

Jigna Thakore, MD Fellow, Department of Gastroenterology, Dayton Veterans Administration Medical Center

Jigna Thakore, MD is a member of the following medical societies: American College of Gastroenterology, American Society for Gastrointestinal Endoscopy

Disclosure: Nothing to disclose.

Francisco Talavera, PharmD, PhD Adjunct Assistant Professor, University of Nebraska Medical Center College of Pharmacy; Editor-in-Chief, Medscape Drug Reference

Disclosure: Received salary from Medscape for employment. for: Medscape.

Romesh Khardori, MD, PhD, FACP (Retired) Professor, Division of Endocrinology, Diabetes and Metabolism, Department of Internal Medicine, Eastern Virginia Medical School

Romesh Khardori, MD, PhD, FACP is a member of the following medical societies: American Association of Clinical Endocrinologists, American College of Physicians, American Diabetes Association, Endocrine Society

Disclosure: Nothing to disclose.

George T Griffing, MD Professor Emeritus of Medicine, St Louis University School of Medicine

George T Griffing, MD is a member of the following medical societies: American Association for Physician Leadership, American Association for the Advancement of Science, American College of Medical Practice Executives, American College of Physicians, American Diabetes Association, American Federation for Medical Research, American Heart Association, Central Society for Clinical and Translational Research, Endocrine Society, International Society for Clinical Densitometry, Southern Society for Clinical Investigation

Disclosure: Nothing to disclose.

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