title: High risk of adverse drug reactions in elderly patients taking six or more drugs: analysis of inpatient database.
authors.forename: Taro
authors.initials: T
authors.lastname: Kojima
authors.forename: Masahiro
authors.initials: M
authors.lastname: Akishita
authors.forename: Yumi
authors.initials: Y
authors.lastname: Kameyama
authors.forename: Kiyoshi
authors.initials: K
authors.lastname: Yamaguchi
authors.forename: Hiroshi
authors.initials: H
authors.lastname: Yamamoto
authors.forename: Masato
authors.initials: M
authors.lastname: Eto
authors.forename: Yasuyoshi
authors.initials: Y
authors.lastname: Ouchi
mesh_terms: D000368:Aged; D000369:Aged, 80 and over; D064420:Drug-Related Side Effects and Adverse Reactions / Q000139:chemically induced*; D005260:Female; D006801:Humans; D007564:Japan; D008297:Male; D019338:Polypharmacy; D012372:ROC Curve; D012306:Risk