Page Kathleen R, Moore Richard D, Wilgus Barbara, Gindi Renee, Erbelding Emily J
Division of Infectious Diseases, Department of Medicine, Johns Hopkins University, School of Medicine, Baltimore, Maryland 21287, USA.
Sex Transm Dis. 2008 Oct;35(10):859-61. doi: 10.1097/OLQ.0b013e31817bbcb4.