1. Estimating high‐risk cannabis and opiate use in Ankara, Istanbul and Izmir. (27th June 2016) Authors: Kraus, Ludwig; Hay, Gordon; Richardson, Clive; Yargic, Ilhan; Ilhan, Mustafa Necmi; Ay, Pinar; Karasahin, Füsun; Pinarci, Mustafa; Tuncoglu, Tolga; Piontek, Daniela; Schulte, Bernd Journal: Drug and alcohol review Issue: Volume 36:Number 5(2017) Page Start: 626 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗