@article{xianzhi xiong2020diagnosed,
  title={COVID-19 Diagnosed by Serological Antibody Test: A Case Report},
  author={mei zhou,xianzhi xiong},
  journal={Signa Vitae},
  volume={16},
  number={2},
  pages={195--198},
  doi = {10.22514/sv.2020.16.0060},
  year={2020}
}