title: Ideas and principles of action.
authors.forename: U
authors.initials: U
authors.lastname: Nilsonne
authors.forename: O
authors.initials: O
authors.lastname: Solheim
mesh_terms: D049673:History, 20th Century; D006801:Humans; D017410:Practice Guidelines as Topic; D012106:Research / Q000266:history; D012509:Sarcoma / Q000175:diagnosis / Q000266:history* / Q000628:therapy; D012537:Scandinavian and Nordic Countries; D012955:Societies, Medical / Q000266:history*