TY - JOUR A1 - Hall, W. A1 - Degenhardt, L. T1 - Adverse health effects of non-medical cannabis use Y1 - 2009 DO - 10.1016/S0140-6736(09)61037-0 JF - The Lancet VL - 374 IS - 9698 SP - 1383 EP - -1391 ER -