title: Determination of serum drug concentrations in the office.
authors.forename: P D
authors.initials: PD
authors.lastname: Walson
mesh_terms: D002648:Child; D004358:Drug Therapy; D006801:Humans; D004364:Pharmaceutical Preparations / Q000032:analysis; D010824:Physicians' Offices
chemical_list: D004364:Pharmaceutical Preparations