pubmed:affiliation |
Division of General Medicine and Primary Care, Beth Israel Deaconess Medical Center and Harvard Medical School, Boston, Massachusetts 02215, USA. cwee@bidmc.harvard.edu
|
pubmed:publicationType |
Journal Article,
Randomized Controlled Trial,
Research Support, Non-U.S. Gov't,
Multicenter Study,
Research Support, N.I.H., Extramural
|