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USMLE Step 1

Free high-yield USMLE Step 1 study notes, lessons & practice questions.

Subjects

Anatomy

274 lessons

Behavioral Science

51 lessons

Biochemistry

158 lessons

Biostatistics

112 lessons

CCS Cases

56 lessons

Diagnosis

56 lessons

Internal Medicine

196 lessons

Management

70 lessons

Microbiology

223 lessons

OB/GYN

84 lessons

Pathology

196 lessons

Patient Safety

56 lessons

Pediatrics

154 lessons

Pharmacology

182 lessons

Physiology

238 lessons

Psychiatry

181 lessons

Surgery

313 lessons

About USMLE Step 1 Lessons

Explore all USMLE Step 1 lessons across 17 subjects. Each subject is broken down into high-yield topics with detailed notes, clinical correlations, and visual aids to help you build a strong foundation for exam day.

All lessons are free to read on the web. For AI-powered explanations, spaced repetition flashcards, and a personalised study plan, download the Oncourse AI app.