|
pubmed:affiliation |
School of Public Health, University of North Carolina, Chapel Hill, Rosenau Hall, Campus Box no. 7445, Chapel Hill, NC 27599-7445, USA. emfoster@unc.edu
|
|
pubmed:publicationType |
Journal Article,
Research Support, U.S. Gov't, Non-P.H.S.,
Randomized Controlled Trial,
Research Support, N.I.H., Extramural
|
