askMEDLINE is a free-text natural language query tool to search for and retrieve relevant citations in MEDLINE/PubMed.
It is also available through PubMed for Handhelds:
Department of Health and Human ServicesNational Institutes of HealthU.S. National Library of Medicine
Lister Hill National Center for Biomedical CommunicationsU.S. National Library of Medicine8600 Rockville Pike, Bethesda, MD 20894301-496-4441
NIH…Turning Discovery Into Health