History of Medicine
Text copyright (C) 1993 by Wayman R. Spence, M.D.
Art copyright (c) 1993 by Jose S. Perez
Dr. Spence and Mr. Perez have kindly given the National Library of Medicine (NLM) permission to exhibit the text and images from the book Perez on Medicine over the Internet, in the form of a World-Wide Web-based on-line exhibit. The text and images are provided solely for purposes of being viewed by browsers connecting to the NLM World-Wide Web service, and the files containing them may not be saved locally, modified, reproduced, or distributed by any other means without the written permission of the copyright owners.