María de los ngeles PandoElena ReynagaRuben MaroneWarren B. SaterenSilvia M. MontanoJose L. SanchezMaría Mercedes vilaSpringerBautista CT, Pando MA, Reynaga E, Marone R, Sateren WB, Montano SM, et al. Sexual practices, drug use behaviors, and prevalence of HIV, syphilis, hepatitis B ...