@misc{indiciaeb7132c9212c6,
  title = {Why do nurses volunteer?},
  author = {A S Ward and C M Henderson},
  year = {1993},
  doi = {10.1097/00005217-199310040-00008},
  url = {https://pubmed.ncbi.nlm.nih.gov/8410659/},
  note = {Source identifier: 8410659}
}