title: Cocaine users in Amsterdam.
authors.forename: P
authors.initials: P
authors.lastname: Cohen
mesh_terms: D015982:Bias; D003042:Cocaine; D003431:Cross-Cultural Comparison; D003430:Cross-Sectional Studies; D006801:Humans; D015994:Incidence; D009426:Netherlands / Q000453:epidemiology; D019966:Substance-Related Disorders / Q000453:epidemiology*
chemical_list: D003042:Cocaine