Risk perception of sexually transmitted infections and HIV in Nigerian commercial sex workers living in Barcelona: a study protocol.

Autor: Coma Auli N; Unitat de medicina tropical i salut internacional Drassanes-Vall d'Hebron. Institut Català de la Salut, Barcelona, Spain., Mejía-Lancheros C, Berenguera A, Mayans MV, Lasagabaster MA, Pujol-Ribera E

Publikováno v: BMJ open [BMJ Open] 2013 Jul 30; Vol. 3 (7). Date of Electronic Publication: 2013 Jul 30.