@misc{indiciaec982eec62901,
  title = {A system for using supplemental staff.},
  author = {K Shanks and K Potempa},
  year = {1981},
  doi = {10.1097/00005110-198110000-00008},
  url = {https://pubmed.ncbi.nlm.nih.gov/6912881/},
  note = {Source identifier: 6912881}
}