@misc{indiciaef19f1abdae75,
  title = {Peripheral gangrene complicating beta-blockade.},
  author = {J A Vale and D B Jefferys},
  year = {1978},
  doi = {10.1016/s0140-6736(78)91014-0},
  url = {https://pubmed.ncbi.nlm.nih.gov/77987/},
  note = {Source identifier: 77987}
}