@misc{indiciaec43f44524cbe,
  title = {Diffuse cutaneous scleroderma: an anaesthetic problem.},
  author = {J Birkhan and M Heifetz and S Haim},
  year = {1972},
  doi = {10.1111/j.1365-2044.1972.tb08166.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/5007636/},
  note = {Source identifier: 5007636}
}