pubmed:affiliation |
Group Health Center for Health Studies, Department of Obstetrics and Gynecology, University of Washington, Seattle, WA, USA. reeds@u.washington.edu
|
pubmed:publicationType |
Journal Article,
Research Support, U.S. Gov't, Non-P.H.S.,
Randomized Controlled Trial,
Research Support, Non-U.S. Gov't,
Research Support, N.I.H., Extramural
|