title: [A follow-up investigation of 12 blood transfusion cases from HBsAg-positive donors].
mesh_terms: D000293:Adolescent; D000328:Adult; D001782:Blood Donors; D002675:Child, Preschool; D005260:Female; D005500:Follow-Up Studies; D006509:Hepatitis B / Q000635:transmission*; D006514:Hepatitis B Surface Antigens / Q000032:analysis*; D006801:Humans; D008297:Male; D008875:Middle Aged; D011446:Prospective Studies; D065227:Transfusion Reaction
chemical_list: D006514:Hepatitis B Surface Antigens