RT Article T1 How much of the cocaine market are we missing? Insights from respondent-driven sampling in a mid-sized American city JF Drug and alcohol dependence VO 147 SP 190 OP 195 A1 Caulkins, Jonathan P. 1965- A1 Kasunic A1 Kilmer, Beau A1 Sussell, Jesse A2 Kasunic A2 Kilmer, Beau A2 Sussell, Jesse LA English YR 2015 UL https://krimdok.uni-tuebingen.de/Record/1912577771 DO 10.1016/j.drugalcdep.2014.11.032