CancerWeb's Online Medical Dictionary
CBS Health Watch Online Medical Dictionary
Drkoop Medical Encyclopedia
Fast Health Medical Dictionary
Galaxy of Health Medical Dictionary
Gray Cancer Research U.K. Medical Online Dictionary
List and Glossary of Medical Terms
Medical Edge - Online Medical Dictionary
Medical Term spell checker
MedicineNet.com
Multilingual Medical Dictionary
Onhealth - Medical Dictionary
WebMD - Medical Dictionary

HealthLine - Medical Search Engine
Medline
National Library of Medicine
Internet Grateful Med