1. Respondent-Driven Sampling With Youth Who Use Drugs: A Mixed Methods Assessment. (December 2019) Authors: Selfridge, Marion; Card, Kiffer G.; Greer, Alissa; Ferencz, Sarah; Lachowsky, Nathan; Macdonald, Scott Journal: Contemporary drug problems Issue: Volume 46:Number 4(2019) Page Start: 363 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗