title: One day at a time.
authors.affiliation: Central and North West London Foundation Trust.
authors.forename: Annette
authors.initials: A
authors.lastname: Dale-Perera
mesh_terms: D004358:Drug Therapy / Q000191:economics; D055030:Drug Users; D019317:Evidence-Based Medicine; D006556:Heroin Dependence / Q000188:drug therapy* / Q000453:epidemiology; D006801:Humans; D006113:United Kingdom / Q000453:epidemiology