@misc{indiciae336e124cdb53,
  title = {Physiologic framework of extrinsic controls.},
  author = {V M Sitzer},
  year = {1991},
  doi = {10.1097/00005082-199107000-00002},
  url = {https://pubmed.ncbi.nlm.nih.gov/1675668/},
  note = {Source identifier: 1675668}
}