TY - JOUR A1 - Carballo-Diéguez, A. A1 - Balan, I. A1 - Marone, R. A1 - Pando, M.A. A1 - Dolezal, C. A1 - Barreda, V. A1 - Leu, C.-S. A1 - Ávila, M.M. T1 - Use of respondent driven sampling (RDS) generates a very diverse sample of men who have sex with men (MSM) in Buenos Aires, Argentina Y1 - 2011 DO - 10.1371/journal.pone.0027447 JF - PLoS One VL - 6 IS - 11 ER -