Occurrence of hepatitis B surface antigen in various population groups in Ethiopia.
Gebreselassie
L
L
D000293:Adolescent; D000328:Adult; D002648:Child; D005002:Ethiopia; D005260:Female; D006509:Hepatitis B / Q000453:epidemiology* / Q000276:immunology; D006514:Hepatitis B Surface Antigens / Q000032:analysis*; D006801:Humans; D008297:Male; D008875:Middle Aged
D006514:Hepatitis B Surface Antigens