@misc{indiciae6a1152d79fc5,
  title = {Professionals or tradesmen?},
  author = {F McDowell},
  year = {1978},
  doi = {10.1097/00006534-197801000-00019},
  url = {https://pubmed.ncbi.nlm.nih.gov/619375/},
  note = {Source identifier: 619375}
}