title: In memoriam Sven Löfgren (1910-1978).
authors.affiliation: Royal Northern Hospital, London, U.K.
authors.forename: D G
authors.initials: DG
authors.lastname: James
mesh_terms: D049673:History, 20th Century; D006801:Humans; D007388:Internal Medicine / Q000266:history; D012507:Sarcoidosis / Q000266:history; D013548:Sweden