Covers literature from 1948 to roughly 3 months ago. To search more current in-process or other non-indexed citations you may be interested in Ovid MEDLINE In-Process & Other Non-Indexed Citations which is updated daily. Similarly, OLDMEDLINE, which recreates the original printed hard copy indexes and covers 1947-1965, is also available.
Ovid MEDLINE
To search a complete list of information resources visit CLIO, the library catalog.