title: [Indication--reasoning structure for medical actions].
authors.affiliation: klaus.gahl@t-online.de
authors.forename: K
authors.initials: K
authors.lastname: Gahl
mesh_terms: D000367:Age Factors; D000368:Aged; D001024:Aortic Valve Stenosis / Q000175:diagnosis / Q000601:surgery; D003657:Decision Making / Q000941:ethics*; D026690:Ethics, Clinical; D005260:Female; D006040:Goals; D006801:Humans; D011379:Prognosis