Fifty clinical cases help you excel in biochemistry courses and the USMLE Step 1 Case Files: Biochemistry: Second Edition" presents 50 clinical cases with open-ended questions which weave basic science concepts into the clinical scenario. Each case includes an extended discussion (including definitions and a pathophysiology discussion), key points, and 3-5 USMLE-style comprehension questions. The authors are experienced teachers from the University of Texas-Houston Medical School in Houston, Texas.