title: Concurrent presence of HBsAg and anti-HBs in children.
authors: H
authors: H
authors: Ozen
authors: N
authors: N
authors: Koçak
authors: A
authors: A
authors: Yüce
authors: I
authors: I
authors: Gürakan
mesh_terms: D002648:Child; D006509:Hepatitis B / Q000276:immunology*; D006510:Hepatitis B Antibodies / Q000097:blood*; D006514:Hepatitis B Surface Antigens / Q000097:blood*; D006801:Humans; D008297:Male
chemical_list: D006510:Hepatitis B Antibodies; D006514:Hepatitis B Surface Antigens