"Medical Physiology: A Systems Approach" by Hershel Raff and Michael G. Levitzky is a comprehensive textbook covering various subjects in the field of medicine, including clinical medicine, emergency medicine, pathophysiology, and human anatomy & physiology. Published by McGraw-Hill Medical Publishing Division in 2011, this 800-page trade paperback presents a systems approach to understanding medical physiology. Written in English, the book offers detailed insights into the workings of the human body, making it a valuable resource for students and professionals in the field of medicine.