@misc{indiciae7aa943b00662,
  title = {Productivity as a variable in TAT protocol; a methodological study.},
  author = {L P ULLMANN and R L MCFARLAND},
  year = {1957},
  doi = {10.1080/08853126.1957.10380751},
  url = {https://pubmed.ncbi.nlm.nih.gov/13417156/},
  note = {Source identifier: 13417156}
}