- [Surveillance of HIV/AIDS-related behaviors among men who have sex with men--Switzerland, 1992-2004]H Balthasar
Institut Universitaire de Medecine Sociale et Preventive, Unité d Evaluation de Programmes de Prévention, Lausanne, Suisse
Int J Public Health 52:27-38. 2007..To update (1992-2004, Switzerland) trends in behaviors and opinions relative to HIV prevention among men who have sex with men...
- First anal intercourse and condom use among men who have sex with men in SwitzerlandHugues Balthasar
Institute of Social and Preventive Medicine, University Hospital Center, University of Lausanne, Rue du Bugnon 17, 1005 Lausanne, Switzerland
Arch Sex Behav 38:1000-8. 2009..Since age at FAI is on the decrease, there is an urgent need to heighten awareness of prevention actions regarding sexual debut of MSM...