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Cover illustration is a detail from Opus 1972 by Virgil Cantini, Ph.D., with permission of the artist and Mansfield State College, Mansfield, Pennsylvania.
Chapter opener credits: Chapter 43, modified from © Getty Images 21000058038;Chapter 44, modified from © Getty Images 21000044598;Chapter 84, modified from © Corbis.
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Last digit is the print number: 987654321
Working together to grow libraries in developing countries
ELSEVIER Sabre Foundation
For their abundant support, for their patience and understanding, and for their love
Arthur C. Guyton For his imaginative and innovative research For his dedication to education For showing us the excitement and joy of physiology And for serving as an inspirational role model
Arthur C. Guyton, M.D. 1919-2003
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