Harrison’s Principles of Internal Medicine, 21st Edition (PDF) on Google Drive is the leading medical textbook, providing comprehensive and up-to-date information on all aspects of internal medicine. It is widely used by medical students, residents, and practicing physicians around the world.
Harrison’s has been the go-to resource for internal medicine for over 100 years, with the first edition published in 1916. It is highly regarded for its clear and concise writing, comprehensive coverage, and authoritative content.