Ballenger's Otorhinolaryngology Head and Neck Surgery Head and Neck Surgery

James B. Snow Jr, MD Professor Emeritus University of Pennsylvania Philadelphia; Former Director National Institute on Deafness and Other Communication Disorders National Institutes of Health Bethesda, Maryland John Jacob Ballenger, MD Associate Professor Department of Otolaryngology-Head and Neck Surgery Northwestern University Chicago, Illinois; Chief Emeritus Division of Otolaryngology-Head and Neck Surgery Evanston Hospital IllinoisSnow, James B. is the author of 'Ballenger's Otorhinolaryngology Head and Neck Surgery Head and Neck Surgery' with ISBN 9781550091977 and ISBN 1550091972.