Kaplan USMLE Step 1 Lecture Notes  Physiology ISBN 9781506200446 The only official Kaplan Lecture Notes for USMLE Step 1 available for sale! Get the comprehensive information you need to ace USMLE Step 1 and match into the residency of your choice. ? Up-to-date: Updated annually by Kaplan?s all-star faculty ? Integrated: Packed with clinical correlations and bridges between disciplines ? Learner-efficient: Organized in outline format with high-yield summary boxes ? Trusted: Used by thousands of students each year to succeed on USMLE Step 1