first aid for the usmle step 2 ck clinical knowledge, 12e (Edition 12) authored by le, an expert in KAPLAN. This edition comprises 852 pages of invaluable medical knowledge published by mcgraw hill in 2023, tailored for medical professionals preparing for international exams. Joining our brand-new collection, this book is available for online purchase. Enhance your medical knowledge journey by exploring our store for more medical books and products!