@misc{indiciae13b470fe925a,
  title = {Pressure sores: do mattresses work?},
  author = {J Young and D Cotter},
  year = {1990},
  doi = {10.1016/0140-6736(90)91707-h},
  url = {https://pubmed.ncbi.nlm.nih.gov/1973500/},
  note = {Source identifier: 1973500}
}