@misc{indiciae655fbd69ecbf,
  title = {Work sampling on a nursing unit: observations at equal-time intervals versus random observations.},
  author = {D W Fogarty and J V McKenna},
  year = {1967},
  doi = {10.1097/00006199-196716040-00019},
  url = {https://pubmed.ncbi.nlm.nih.gov/5182504/},
  note = {Source identifier: 5182504}
}