@misc{indiciae257d3594aee5,
  title = {Pressure ulcers among the elderly.},
  author = {R M Allman},
  year = {1989},
  doi = {10.1056/nejm198903303201307},
  url = {https://pubmed.ncbi.nlm.nih.gov/2648145/},
  note = {Source identifier: 2648145}
}