Health Search Engines
Health Related Search Engines, Medicine Search Engines, Nursing Search Engines
Health Search Engines Sites
Enpsychlopedia
Provides a search of psychcentral and several other mental health sites.
http://www.enpsychlopedia.com/
Med Help International - Medical Library Search Engine for Patients
Consumer medical search engine comprising articles, patient support groups, glossary, and Q&A.
http://www.medhelp.org/search.htm