@misc{indiciaee4e044b388ff,
  title = {Letter: How many doctors?},
  author = {D Naidoo},
  year = {1974},
  doi = {10.1016/s0140-6736(74)93013-x},
  url = {https://pubmed.ncbi.nlm.nih.gov/4129000/},
  note = {Source identifier: 4129000}
}