@misc{indiciaea46e0c75b96c,
  title = {Plastic or paraffin?},
  author = {G I Murray and S W Ewen},
  year = {1989},
  doi = {10.1016/s0140-6736(89)91763-7},
  url = {https://pubmed.ncbi.nlm.nih.gov/2563541/},
  note = {Source identifier: 2563541}
}