Prevalence of markers of hepatitis A and B in the Shanghai area.
D000293:Adolescent; D000328:Adult; D000914:Antibodies, Viral / Q000032:analysis*; D002648:Child; D002675:Child, Preschool; D002681:China; D035922:Hepatitis A Antibodies; D006510:Hepatitis B Antibodies / Q000032:analysis*; D006514:Hepatitis B Surface Antigens / Q000032:analysis*; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D008875:Middle Aged
D000914:Antibodies, Viral; D035922:Hepatitis A Antibodies; D006510:Hepatitis B Antibodies; D006514:Hepatitis B Surface Antigens