title: Units for drug concentrations in biological fluids.
authors.forename: I D
authors.initials: ID
authors.lastname: Watson
authors.forename: M J
authors.initials: MJ
authors.lastname: Stewart
authors.forename: H G
authors.initials: HG
authors.lastname: Morgan
mesh_terms: D006801:Humans; D007394:International System of Units / Q000592:standards*; D004364:Pharmaceutical Preparations / Q000032:analysis*; D012606:Scotland; D014894:Weights and Measures / Q000592:standards*
chemical_list: D004364:Pharmaceutical Preparations