Performance and comparison of self-reported STI symptoms among high-risk populations – MSM, sex workers, persons living with HIV/AIDS – in El Salvador

Por Shah, Neha S, Kim, Evelyn, de Maria Hernández Ayala, Flor, Escobar, Maria Elena Guardado, Nieto, Ana Isabel, Kim, Andrea A, Paz-Bailey, Gabriela
Publicado no Int J STD AIDS (2014)