P3.403 Knowledge, Optimism Regarding Hiv/Aids and Self-Efficacy in Condom Use of the Male Sex Workers in the City of Lisbon: The Results of the Project ”Encontros (In)Seguros”
P3.403 Knowledge, Optimism Regarding Hiv/Aids and Self-Efficacy in Condom Use of the Male Sex Workers in the City of Lisbon: The Results of the Project ”Encontros (In)Seguros”