title: Reporting bias and self-reported drug use.
authors.forename: John
authors.initials: J
authors.lastname: Macleod
authors.forename: Matthew
authors.initials: M
authors.lastname: Hickman
authors.forename: George Davey
authors.initials: GD
authors.lastname: Smith
mesh_terms: D015982:Bias; D006801:Humans; D012650:Self Disclosure; D019966:Substance-Related Disorders / Q000453:epidemiology*