TheMediweb http://www.themediweb.net
Provides a medical dictionary of health information for research and education for health care professionals, academics and the general public.
Virtual Hospital http://www.vh.org
A digital health sciences library at the University of Iowa for health care providers and patients.
Virtual Naval Hospital http://www.vnh.org
A digital library designed to help primary care providers and to help patients associated with naval medical issues. A service of the U.S. Navy Bureau of Medicine and Surgery.
Well-Connected http://www.well-connected.com
Offering over 100 in-depth reports on physical and mental diseases and wellness issues. Written by medical writers and reviewed by a board at Harvard Medical School. Some information available free but most requires paid access.