TY - RPRT TI - Concomitant hepatitis B surface antigen and antibody. AU - A I Leibowitz AU - A O Vladutiu PY - 1984 DO - 10.7326/0003-4819-100-4-615_2 UR - https://pubmed.ncbi.nlm.nih.gov/6703559/ ID - 6703559 ER -