The presence of high and low incidence districts of Australia antigen in Miyagi prefecture.
D000293:Adolescent; D000328:Adult; D000367:Age Factors; D002648:Child; D002675:Child, Preschool; D006511:Hepatitis B Antigens / Q000032:analysis*; D006801:Humans; D007564:Japan; D008875:Middle Aged
D006511:Hepatitis B Antigens