@misc{indiciaef11a88c21d64,
  title = {Recertification.},
  author = {D Paton},
  year = {1978},
  doi = {10.1016/s0161-6420(78)35600-1},
  url = {https://pubmed.ncbi.nlm.nih.gov/733183/},
  note = {Source identifier: 733183}
}