@misc{indiciaef37a1c136b6d,
  title = {Evolution of nursing sciences: implications for nursing world wide.},
  author = {M A Ahad},
  year = {1981},
  doi = {10.1111/j.1547-5069.1981.tb01484.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/6909116/},
  note = {Source identifier: 6909116}
}