title: [Clinical research on elderly].
authors: Peder Langeland
authors: PL
authors: Myhre
authors: Kristian
authors: K
authors: Laake
authors: Ingebjørg
authors: I
authors: Seljeflot
authors: Svein
authors: S
authors: Solheim
authors: Harald
authors: H
authors: Arnesen
mesh_terms: D000368:Aged; D002986:Clinical Trials as Topic; D005853:Geriatrics; D006801:Humans; D018579:Patient Selection; D017410:Practice Guidelines as Topic