P. MeirelesC. MoreiraRocha, MiguelBrito, JoãoMendão, LuísH. BarrosPaula Meireleset al.2024-06-182024-06-1820180398-7620http://hdl.handle.net/10400.26/51070engMen who have sex with menHIVRisk determinationRisk of HIV infection in a cohort of men who have sex with men attending CheckpointLX in Lisbon, Portugalconference object2024-06-10cv-prod-326824410.1016/J.RESPE.2018.05.067P-00V-XB3P-00V-XB1