Number of risk acts by relationship status and partner serostatus: Findings from the HIM cohort of homosexually active men in Sydney, Australia
AIDS and Behavior (2006) - Comments
pubmed: 16496088  doi: 10.1007/s10461-005-9057-3  issn: 1090-7165  issn: 1573-3254 

June M. Crawford, Susan C. Kippax, Limin Mao, Paul G. Van De Ven, Garrett P. Prestage, Andrew E. Grulich, John Kaldor