1. Symptoms of anxiety and depression in childhood and use of MDMA: prospective, population based study. Issue 7545 (24th February 2006) Authors: Huizink, Anja C; Ferdinand, Robert F; van der Ende, Jan; Verhulst, Frank C Journal: BMJ Issue: Volume 332:Issue 7545(2006) Page Start: 825 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗