@misc{indiciaee87b689282be,
  title = {Sigmoid volvulus in two patients with progressive systemic sclerosis.},
  author = {R C Fraback and B M Kadell and K M Nies and B L Miller and J S Louie},
  year = {1978},
  url = {https://pubmed.ncbi.nlm.nih.gov/671437/},
  note = {Source identifier: 671437}
}