title: Impact of healthcare delivery system on where HMO-enrolled seniors purchase medications.
authors.forename: Denise M
authors.initials: DM
authors.lastname: Boudreau
authors.forename: Mark P
authors.initials: MP
authors.lastname: Doescher
authors.forename: J Elizabeth
authors.initials: JE
authors.lastname: Jackson
authors.forename: Paul A
authors.initials: PA
authors.lastname: Fishman
authors.forename: Barry G
authors.initials: BG
authors.lastname: Saver
mesh_terms: D000368:Aged; D000369:Aged, 80 and over; D002908:Chronic Disease / Q000188:drug therapy; D003695:Delivery of Health Care / Q000191:economics / Q000592:standards; D005260:Female; D006279:Health Maintenance Organizations; D006801:Humans; D019458:Insurance Coverage / Q000706:statistics & numerical data; D007356:Insurance, Pharmaceutical Services / Q000706:statistics & numerical data; D008297:Male; D006278:Medicare; D010593:Pharmaceutical Services / Q000706:statistics & numerical data*; D014481:United States