DVDs and Audio CDs: The Bloedorn Technology Center houses more than 600 titles in the basic sciences, clinical medicine, public health, and nursing. Materials include those purchased from commercial or academic sources as well as a number of classics produced at GW. DVDs and Audio CDs for loan are shelved in the BTC and can be located by searching the Library's online catalog. These materials are checked out at the Circulation Desk on the first floor. They circulate for three weeks.