MEDLINE MEDLINE via EBSCOhost authoritative medical information on medicine, nursing, dentistry, veterinary medicine, the health care system, pre-clinical sciences, and much more. Created by the National Library of Medicine, MEDLINE uses MeSH (Medical Subject Headings) indexing with tree, tree hierarchy, subheadings and explosion capabilities to search citations from current biomedical journals. Included are citations from Index Medicus, International Nursing Index, Index to Dental Literature, HISTLINE, SPACELINE, PREMEDLINE®, AIDSLINE®, BIOETHICSLINE®, and HealthSTAR®. Dates of Coverage: Varies by publication