|
pubmed:affiliation |
Department of Biostatistics, School of Public Health, University of California Los Angeles, CHS 51-254, Box 951772, Los Angeles, CA, 90095-1772, USA. ccrespi@ucla.edu
|
|
pubmed:publicationType |
Journal Article,
Comparative Study,
Research Support, Non-U.S. Gov't,
Research Support, N.I.H., Extramural
|
