title: Viral hepatitis. A follow-up study of 373 notified cases in Oslo 1949--1953.
mesh_terms: D000208:Acute Disease; D000293:Adolescent; D000328:Adult; D000367:Age Factors; D000368:Aged; D002648:Child; D005260:Female; D005500:Follow-Up Studies; D006506:Hepatitis A / Q000150:complications / Q000401:mortality*; D006801:Humans; D008297:Male; D008875:Middle Aged; D009664:Norway; D011379:Prognosis; D012737:Sex Factors; D011795:Surveys and Questionnaires