pubmed:affiliation |
Center for Health Policy Research, Division of General Internal Medicine, College of Medicine, University of California, Irvine, USA.
|
pubmed:publicationType |
Journal Article,
Clinical Trial,
Comparative Study,
Research Support, U.S. Gov't, P.H.S.,
Randomized Controlled Trial,
Multicenter Study,
Clinical Trial, Phase III,
Research Support, N.I.H., Extramural
|