Hepatitis B virus and sex ratio on Kar Kar Island.
D000293:Adolescent; D000328:Adult; D002648:Child; D002675:Child, Preschool; D004812:Epidemiologic Methods; D005260:Female; D005298:Fertility; D006509:Hepatitis B / Q000235:genetics* / Q000276:immunology; D006510:Hepatitis B Antibodies; D006514:Hepatitis B Surface Antigens; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D008297:Male; D010219:Papua New Guinea; D011247:Pregnancy; D012744:Sex Ratio
D006510:Hepatitis B Antibodies; D006514:Hepatitis B Surface Antigens