REAL LIFE CLINICAL CASES FOR THE COURSE EXAMS AND USMLE STEP 1 You need exposure to clinical cases to pass course exams and ace the USMLE Step 1. Case Files: Physiology presents 50 real-life clinical cases illustrating essential concepts in microbiology. Each case includes and easy-to-understand discussion correlated to key basic science concepts, definitions of key terms, physiology pearls, and USMLE-style review questions. This interactive system helps you learn instead of memorize. 50 clinical cases, each with USMLE-style questions Clinical pearls highlighting key physiology concepts Primer on how to approach clinical problems and think like a doctor Proven learning system based on award-winning research boosts your shelf exam score