pubmed:affiliation |
Department of Medicine, Medical Effectiveness Research Center for Diverse Populations, University of California, San Francisco, 400 Parnassus Ave, A-405, Box 0856, San Francisco, CA 94143-0856, USA.
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pubmed:publicationType |
Journal Article,
Research Support, U.S. Gov't, P.H.S.,
Research Support, N.I.H., Extramural
|