Shanahan M; Havard A; Teesson M; Mills K; Williamson A; Ross J, 2006, 'Patterns and costs of treatment for heroin dependence over 12 months: Findings from the Australian Treatment Outcome Study', Australian and New Zealand Journal of Public Health, vol. 30, pp. 305 - 311, 10.1111/j.1467-842X.2006.tb00839.x