RT Journal Article SR Electronic(1) A1 Sasse, A A1 Defraye, A YR 2009 T1 HIV infections and STI co-infections in men who have sex with men in Belgium: sustained increase in HIV diagnoses JF Eurosurveillance VO 14 IS 47 SP 19420 OP DO https://doi.org/10.2807/ese.14.47.19420-en UL https://www.eurosurveillance.org/content/10.2807/ese.14.47.19420-en