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Harrison's Principles of Internal Medicine

22nd Edition — Quick Reference

A complete clinical reference for residents, fellows, and practising physicians.
All 505 chapters — fully searchable, instantly navigable.

Search
Type any disease, drug, symptom, or concept in the search bar. Matching chapters appear instantly with highlighted excerpts.
Navigate
All 17 parts of Harrison's are organised in the left sidebar. Expand any section to browse the chapters within.
Review
Each chapter opens with Key Clinical Points for rapid review before diving into the complete text.
Part Topic Chapters
1 Profession of Medicine 1 – 13
2 Cardinal Manifestations & Presentations 14 – 70
3 Pharmacology 71 – 72
4 Oncology & Hematology 73 – 123
5 Infectious Diseases 124 – 242
6 Cardiovascular 243 – 294
7 Respiratory 295 – 310
8 Critical Care Medicine 311 – 318
9 Renal & Urinary 319 – 331
10 Gastrointestinal 332 – 359
11 Rheumatology 360 – 387
12 Endocrinology & Metabolism 388 – 432
13 Neurology & Psychiatry 433 – 468
14 Toxicology 469 – 472
15 Genetics & Genomics 473 – 484
16 Global Health & Aging 485 – 489
17 Consultative & Emerging Medicine 490 – 505