McKinney Christy M, Klingler Ellen J, Paneth-Pollak Rachel, Schillinger Julia A, Gwynn R Charon, Frieden Thomas R
Houston School of Public Health, University of Texas, Dallas, Texas 75390-9128, USA.
Sex Transm Dis. 2008 Sep;35(9):814-7. doi: 10.1097/OLQ.0b013e318175d899.