PubMed is the premier biomedical and clinical science journal article database. It is freely available at pubmed.gov Some full-text journal articles are also freely available. For a searching tutorial, view the powerpoint available from the link below.
Amarillo Reference: 806-414-9964
Lubbock Reference: 806-743-2200; ask for a reference librarian
Odessa/Permian Reference; 432-703-5030