Kerr LRF, Kendall C, Pontes MK, Werneck GL, McFarland W, Mello MB, et al. Selective participation in a RDS survey among MSM in Ceará, Brazil: a qualitative and quantitative assessment. DST [Internet]. 2011 Sep. 25 [cited 2024 May 8];23(3):126-33. Available from: https://bjstd.org/revista/article/view/1011