@misc{indiciae24f5b33f3f03,
  title = {What's in P.V.C.?},
  author = {S G Cowper},
  year = {1968},
  doi = {10.1016/s0140-6736(68)92658-5},
  url = {https://pubmed.ncbi.nlm.nih.gov/4173438/},
  note = {Source identifier: 4173438}
}