Amanda Roxburgh, Wayne D. Hall, Louisa Degenhardt, Jennifer McLaren, Emma Black, Jan Copeland and Richard P. Mattick
Addiction 105 ( 6 ): 1071 - 1079 , 2010
Susannah O’Brien, Carolyn Day, Emma Black and Kate Dolan
Addictive Behaviors 33 ( 12 ): 1602 - 1605 , 2008