The best endocrine review available for the USMLE Step 1 The fourth edition of Endocrine Physiologyprovides comprehensive coverage of the basic science and anatomy behind endocrine function. With its focus on must-know principles, Endocrine Physiolologyis the best review available for the USMLE Step 1 and the perfect reference for residents and fellows. NEW!boxed clinical case scenarios enable students to apply information to real life scenarios Learning aids include objectives, key concepts, a summary, and review questions Covers the principles of endocrinology and metabolism on a system-by-system, organ-by-organ basis