title: Interpreting interventions to improve drug use using administrative databases.
authors.forename: Ronald I
authors.initials: RI
authors.lastname: Shorr
mesh_terms: D000368:Aged; D019992:Databases as Topic; D011307:Drug Prescriptions / Q000706:statistics & numerical data*; D004363:Drug Utilization / Q000706:statistics & numerical data*; D006801:Humans; D009864:Ontario; D010601:Pharmacology, Clinical