Serum hepatitis among Swedish track finders. An epidemiologic study.
D000293:Adolescent; D000328:Adult; D002648:Child; D003020:Clothing; D005260:Female; D006509:Hepatitis B / Q000453:epidemiology*; D006801:Humans; D008297:Male; D008875:Middle Aged; D012621:Seasons; D013178:Sports Medicine; D013548:Sweden