MEDLINE

Community of Science Medline Database
http://muscat.gdb.org/repos/medl/
HealthGate Free MEDLINE
http://www.healthgate.com/HealthGate/MEDLINE/search.shtml
HealthWorld Medline Search
http://www.healthy.net/library/search/medline.htm
Internet Grateful Med V2.3
In addition to MEDLINE, HealthSTAR, PREMEDLINE, and AIDSLINE, this version of Internet Grateful Med (IGM) offers free access to AIDSDRUGS, AIDSTRIALS, DIRLINE, HISTLINE, HSRPROJ, OLDMEDLINE, and SDILINE.
http://igm.nlm.nih.gov/
NCBI Genbank MEDLINE Subset in Molecular Genetics
http://ncbi.nlm.nih.gov/medline/query_form.html
PubMed Retrieval System
http://www4.ncbi.nlm.nih.gov/PubMed/
SilverPlatter Physicians' Home Page
http://php2.silverplatter.com/cgi-dos/guest.bat