Hardin
Meta Directory
A database of internet health sources arranged by specialty.
Entries are critically screened to ensure their links are functional.
There is a list of other databases.
MEDLINEplus Maintained by the U.S. National Library of Medicine. Assists
in locating sources of health information. Includes MEDLINE,
one of the world's largest databases of medical literature with
over 9 million references to journals.