@misc{indiciaec8623c02c30f,
  title = {It was easier, but...},
  author = {E Grall},
  doi = {10.1016/s0197-4572(81)80012-2},
  url = {https://pubmed.ncbi.nlm.nih.gov/6911099/},
  note = {Source identifier: 6911099}
}