title: Concerns about study on Beers criteria.
authors.forename: William N
authors.initials: WN
authors.lastname: Kelly
mesh_terms: D000368:Aged; D011307:Drug Prescriptions / Q000706:statistics & numerical data*; D004363:Drug Utilization / Q000706:statistics & numerical data*; D005853:Geriatrics; D006760:Hospitalization; D006801:Humans; D008508:Medication Errors / Q000706:statistics & numerical data*; D012107:Research Design / Q000592:standards*; D012189:Retrospective Studies