title: [Distribution of antibody against HBs among people in Henan Province].
mesh_terms: D000293:Adolescent; D000328:Adult; D000367:Age Factors; D002648:Child; D002675:Child, Preschool; D002681:China; D005260:Female; D006510:Hepatitis B Antibodies / Q000032:analysis*; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D008297:Male; D008875:Middle Aged; D012737:Sex Factors
chemical_list: D006510:Hepatitis B Antibodies