http://views.vcu.edu/~dimlist/
Sponsored by the Medical College of Virginia and the North American Primary Care Research Group, this impressive collection of primary care resources for medical students offers access to a dermatology and colposcopy atlases, an EKG file room, an auscultation assistant and concise students handouts on a variety of medical topics.

http://www.guideline.gov/index.asp
Primary Care clinical practice guidelines.