American Journal of Epidemiology Advance Access originally published online on August 24, 2005
American Journal of Epidemiology 2005 162(7):706; doi:10.1093/aje/kwi266
| ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
American Journal of Epidemiology Copyright © 2005 by the Johns Hopkins Bloomberg School of Public Health All rights reserved
LETTERS TO THE EDITOR |
HOBBS ET AL. REPLY
1 Department of Medicine, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599
2 Department of Microbiology and Immunology, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599
3 Family Health International, Research Triangle Park, NC 27709
4 AIDS Research Institute, University of California, San Francisco, San Francisco, CA 94105
5 Center for Reproductive Health Research and Policy, Department of Obstetrics, Gynecology, and Reproductive Sciences, University of California, San Francisco, San Francisco, CA 94143
6 Department of Epidemiology and Public Health Biology, University of California, Berkeley, Berkeley, CA 94720
| The first 10% of the full text of this article appears below. |
We acknowledge the concerns of Drs. Zaviacic and Ablin (1
) regarding the use of prostate-specific antigen (PSA) in vaginal secretions as a potential marker of semen exposure in studies of condom effectiveness (2
4
). As