@misc{indiciaefd5364d3c435,
  title = {Polyurethane-covered prostheses.},
  author = {J Markham},
  year = {1983},
  doi = {10.1097/00006534-198307000-00035},
  url = {https://pubmed.ncbi.nlm.nih.gov/6867171/},
  note = {Source identifier: 6867171}
}