@misc{indiciaedd7afa1cf221,
  title = {The problem in practice.},
  author = {E T Thomas},
  year = {1972},
  doi = {10.1097/00004311-197201020-00005},
  url = {https://pubmed.ncbi.nlm.nih.gov/4662518/},
  note = {Source identifier: 4662518}
}