@misc{indiciaea946ccc7fe7e, title = {Respondent-driven sampling to recruit MDMA users: a methodological assessment.}, author = {Jichuan Wang and Robert G Carlson and Russel S Falck and Harvey A Siegal and Ahmmed Rahman and Linna Li}, year = {2004}, doi = {10.1016/j.drugalcdep.2004.10.011}, url = {https://pubmed.ncbi.nlm.nih.gov/15845318/}, note = {Source identifier: 15845318} }