[Comparison of the presence or absence of early hepatitis B viral (HBV) infections among populations in areas with high and low incidences of primary hepatoma].
D000328:Adult; D000367:Age Factors; D000368:Aged; D006528:Carcinoma, Hepatocellular / Q000209:etiology*; D002681:China; D005260:Female; D006509:Hepatitis B / Q000150:complications / Q000453:epidemiology*; D006510:Hepatitis B Antibodies / Q000032:analysis; D006514:Hepatitis B Surface Antigens / Q000032:analysis; D006801:Humans; D008113:Liver Neoplasms / Q000209:etiology*; D008297:Male; D008875:Middle Aged; D012737:Sex Factors
D006510:Hepatitis B Antibodies; D006514:Hepatitis B Surface Antigens