title: Polypharmacy and underprescribing in older adults: rational underprescribing by general practitioners.
authors.forename: P Marije Leliveld
authors.initials: PM
authors.lastname: van den Heuvel
authors.forename: Maartje
authors.initials: M
authors.lastname: Los
authors.forename: Rob J
authors.initials: RJ
authors.lastname: van Marum
authors.forename: Paul A F
authors.initials: PA
authors.lastname: Jansen
mesh_terms: D000368:Aged; D000369:Aged, 80 and over; D002908:Chronic Disease / Q000628:therapy*; D004347:Drug Interactions; D005260:Female; D058006:General Practice; D006801:Humans; D057970:Inappropriate Prescribing; D008297:Male; D008875:Middle Aged; D019338:Polypharmacy; D011364:Professional Practice