@misc{indiciae022afef350e3,
  title = {Concomitant hepatitis B surface antigen and antibody.},
  author = {A I Leibowitz and A O Vladutiu},
  year = {1984},
  doi = {10.7326/0003-4819-100-4-615\_2},
  url = {https://pubmed.ncbi.nlm.nih.gov/6703559/},
  note = {Source identifier: 6703559}
}