title: The effect of undernutrition in the development of frailty in older persons.
authors.forename: Heike A
authors.initials: HA
authors.lastname: Bischoff
authors.forename: Hannes B
authors.initials: HB
authors.lastname: Staehelin
authors.forename: Walter C
authors.initials: WC
authors.lastname: Willett
mesh_terms: D000368:Aged; D000369:Aged, 80 and over; D000375:Aging; D016330:Frail Elderly / Q000706:statistics & numerical data*; D006801:Humans; D044342:Malnutrition / Q000453:epidemiology*; D012307:Risk Factors