Teesson M; Ross JE; Darke S; Lynskey M; Mills K; Williamson A; Hetherington K; Fairbairn S; Havard A; Wilhelm E, 2003, Twelve month outcomes of the treatment of heroin dependence: Findings from the Australian Treatment Outcome Study (ATOS) New South Wales, National Drug and Alcohol Research Centre, University of New South Wales, Sydney, NSW, Australia, NDARC Technical Report No. 191, https://ndarc.med.unsw.edu.au/sites/default/files/ndarc/resources/TR.191.pdf