@misc{indiciae1eb46a179975,
  title = {Copyright restrictions.},
  author = {J M Elwood},
  year = {1984},
  doi = {10.1016/s0140-6736(84)91673-8},
  url = {https://pubmed.ncbi.nlm.nih.gov/6151088/},
  note = {Source identifier: 6151088}
}