title: Nils Retterstøl in memoriam (1924-2008).
authors.forename: Stein
authors.initials: S
authors.lastname: Opjordsmoen
authors.forename: Ian
authors.initials: I
authors.lastname: Brockington
mesh_terms: D049673:History, 20th Century; D049674:History, 21st Century; D006801:Humans; D001523:Mental Disorders / Q000266:history* / Q000628:therapy*; D009664:Norway; D011570:Psychiatry / Q000266:history*