Respondent-driven sampling as a recruitment method for men who have sex with men in southern sub-Saharan Africa: a cross-sectional analysis by wave
Shauna Stahlman, Lisa G Johnston, Clarence Yah, Sosthenes Ketende, Sibusiso Maziya, Gift Trapence, Vincent Jumbe, Bhekie Sithole, Tampose Mothopeng, Zandile Mnisi, Stefan Baral
Sexually Transmitted Infections Jun 2016, 92 (4) 292-298; DOI: 10.1136/sextrans-2015-052184