title: [The man behind the syndrome: Sven Löfgren. His observations resulted in increased knowledge of acute sarcoidotic arthritis].
mesh_terms: D000208:Acute Disease; D001168:Arthritis / Q000266:history*; D004893:Erythema Nodosum / Q000266:history*; D049673:History, 20th Century; D006801:Humans; D012507:Sarcoidosis / Q000266:history*; D013548:Sweden; D013577:Syndrome
vernacular_title: Mannen bakom syndromet: Sven Löfgren. Hans observationer ledde fram till ökad kunskap om akut sarkoidosartrit.