U.S. National Library of Medicine; affiliated with the National Institutes of Health (NIH). Covers medical and some life science journals. Compiles citations; some citation sources may need to be accessed from a UMaine account.
Includes the fifth edition of the Diagnostic and Statistical Manual of Mental Disorders (DSM-5/DSM-V) as well as various online books and journals published through the American Psychiatric Association. Requires login with UMaine account.