pubmed:affiliation |
Epidemiologic Research and Information Center, Veterans Affairs Puget Sound Health Care System (S-152E), 1660 S. Columbian Way, Seattle, WA 98108, USA.
|
pubmed:publicationType |
Journal Article,
Research Support, U.S. Gov't, Non-P.H.S.,
Research Support, Non-U.S. Gov't,
Multicenter Study,
Research Support, N.I.H., Extramural
|