通用搜索引擎

Google AlltheWeb AltaVista AOL.com
Ask Jeeves Compuserve Direct Hit Dogpile
Euroseek Excite Go.com About
Hotbot InfoSpace Look.com LookSmart
Lycos MetaCrawler MSN Open Directory Project
Overture Teoma WiseNut Webcrawler
Yahoo 　 　 　

医学专业搜索引擎

Achoo ACP-ASIM Online Adult Health aHealthyMe
American Medical Association(AMA) Ask Dr.Weil BioMedNet Bioweb
CliniWeb Doctor's Guide Drkoop.com DrugInfoNet
Hardin Meta Directory Healingpeople Healthanswers HealthAtoZ
HealthEconomics.Com Healthfinder HealthLinks HealthWorld
InteliHealth iVillageHealth Karolinska Institute Library lifeclinic.com
LifeWell Martindale's Health Science Guide Mayohealth MDchoice
MDLinx.com MedBroadcast MedExplorer MEDguide
Medicine, Galaxy MedMark Medical Matrix MedicineNet
Medical Sciences, BUBL LINK MEDLINEplus Medscape Medsite
Medsurf Mulltimedia Medical Reference Library MedWeb Oxygen
PubMed SANTEL UPMC Health System WebMD
WellWeb Yale Medical Library YourHealth