@misc{indiciae68be5ed0da9b,
  title = {Letter: Type A or B behavior?},
  author = {E H Friedman},
  year = {1974},
  doi = {10.1001/jama.228.11.1369c},
  url = {https://pubmed.ncbi.nlm.nih.gov/4406607/},
  note = {Source identifier: 4406607}
}