pubmed:affiliation |
Department of Health Behavior and Health Education, School of Public Health, University of Michigan, Ann Arbor, Michigan 48109-2029, USA. nkjanz@umich.edu
|
pubmed:publicationType |
Journal Article,
Comparative Study,
Randomized Controlled Trial,
Research Support, Non-U.S. Gov't,
Multicenter Study,
Research Support, N.I.H., Extramural
|