Epidemiology of leprosy in Norway: the history of The National Leprosy Registry of Norway from 1856 until today.
D049672:History, 19th Century; D049673:History, 20th Century; D007918:Leprosy / Q000453:epidemiology* / Q000266:history / Q000517:prevention & control; D009664:Norway; D012042:Registries; D012106:Research