@misc{indiciae087351798721,
  title = {Letter: Cold extremities and beta-blockers.},
  author = {D Trash and M Grundman and J Cargill and K Christopher},
  year = {1976},
  doi = {10.1136/bmj.2.6034.527-c},
  url = {https://pubmed.ncbi.nlm.nih.gov/8189/},
  note = {Source identifier: 8189}
}