title: Patterns of drug use in dependent opioid users in methadone treatment.
authors.forename: N
authors.initials: N
authors.lastname: Chamberlain
mesh_terms: D006801:Humans; D008691:Methadone; D009520:New Zealand; D009293:Opioid-Related Disorders / Q000534:rehabilitation; D012189:Retrospective Studies
chemical_list: D008691:Methadone