|
pubmed:affiliation |
U.S. Veterans Administration San Diego Healthcare System, Department of Medicine, the University of California San Diego School of Medicine, La Jolla 92161, USA.
|
|
pubmed:publicationType |
Journal Article,
Clinical Trial,
Research Support, U.S. Gov't, Non-P.H.S.,
Randomized Controlled Trial,
Research Support, Non-U.S. Gov't
|
