@misc{indiciaede630b17be65,
  title = {Simplified procedure for combined heard study.},
  author = {H L GADBOYS and S B ROY and J W DOW},
  year = {1957},
  doi = {10.1097/00000658-195711000-00019},
  url = {https://pubmed.ncbi.nlm.nih.gov/13479055/},
  note = {Source identifier: 13479055}
}