HEATKEYS

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 literat...

PLoS Neglected Tropical Diseases is an open-access journal publishing peer-reviewed research on the world\

The Lancet is the world

symptom checker allowing research of the causes of one or many symptoms in an extensive knowledge base, including common and rare causes.

Your Town. Your News. Your Take. Local news and discussion forums for every city in the US, thousands of cities throughout the world and 300,000 other topics.

Web site of the American Academy of Family Physicians, a medical specialty society that represents more than 93,700 family physicians and medical students.

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 ...

Hindawi is a rapidly growing academic publisher with more than 200 Open Access journals covering a wide range of academic disciplines.

Country comparisons using graphs, maps. Huge database of world statistics. Reference site contains country statistics, maps, flags, graphs and pie charts.