1. Estimation of cocaine consumption in the community: a critical comparison of the results from three complimentary techniques. Issue 6 (8th November 2012) Authors: Reid, Malcolm J; Langford, Katherine H; Grung, Merete; Gjerde, Hallvard; Amundsen, Ellen J; Morland, Jorg; Thomas, Kevin V Journal: BMJ open Issue: Volume 2:Issue 6(2012) Page Start: Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗