The 20th edition of the world’s #1 selling medical review book!

Trust two decades of experience for the most effective USMLE Step 1 preparation possible

• 1100+ must-know facts and mnemonics organized by organ system and general principles
• Hundreds of high-yield clinical images you need to know before the exam – including 24 pages of full-color photos
• Rapid review section for last minute cramming
• Ratings of 300+ top review products based on the authors’ annual survey of US medical students
• Updated test-taking advice from students who aced the 2009 exam
• Strategies that maximize your study time and deliver real results

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