title: [A disease known for 100 years whose origin is still unknown].
mesh_terms: D003718:Denmark; D005602:France; D049672:History, 19th Century; D049673:History, 20th Century; D006801:Humans; D012507:Sarcoidosis / Q000266:history*
vernacular_title: 100 éve ismert és napjainkig ismeretlen eredetü megbetegedés