@misc{indiciae64b0f0c4de70,
  title = {Cost and benefit.},
  author = {M A Baltzan},
  year = {1973},
  doi = {10.7326/0003-4819-79-2-281},
  url = {https://pubmed.ncbi.nlm.nih.gov/4726544/},
  note = {Source identifier: 4726544}
}