Use the proven format of the best-selling Secrets Series[trademark] to prepare for the USMLE Step 1. Presented as questions and answers based on clinical vignettes, USMLE Step 1 Secrets will aid you in not only retaining but understanding key information for the boards. Co-authored by Dr.Tom Brown, author of Rapid Review in Physiology, and Dr.Dave Brown, the second edition has been updated to be even more concise and ultra high-yield, while still offering a complete overview of the key topics and the top secrets and personal insights from the authors.