The eMedicine point-of-care clinical reference features up-to-date, searchable, peer-reviewed medical articles organized in specialty-focused textbooks, and is continuously updated with practice-changing evidence culled daily from the medical literature.

UpToDate is an evidence based, peer reviewed information resource, available via the Web and Mobile Devices. Our community includes over 4,400 leading physicians, peer reviewers, editors and over 385,000 users. UpToDate includes access to over 8,300 topics in 14 specialties

Homepage of Merck.com, Merck's corporate Web site

Extensive knowledge base of medical information on symptoms, diagnosis, and misdiagnosis of more than 20,000 medical conditions. Research causes of your symptoms or research treatments for diseases.