MEDLINE through Ovid The database, produced by the National Library of Medicine (NLM) is most frequently utilized for health sciences topics. It contains citations from more than 3,900 English and foreign language journals in the basic and clinical sciences and encompasses the printed Index Medicus, the Index to Dental Literature, and the International Nursing Index. Approximately 60% of the records contain abstracts. Includes full-text articles from approximately 200 core journals. Period covered: 1966-present Search tips: Instructions for using Ovid Special instructions: Start Ovid and choose MEDLINE from the Database List Selected by: janetnel@hsc.usc.edu Restrictions: USC, LAC+USC and CHLA only