@article{stannard2012,
  title={Essentials of Nursing Research: Appraising Evidence for Nursing Practice},
  author={Daphne Stannard},
  year={2012},
  journal={AORN Journal},
  doi={10.1016/j.aorn.2011.10.009},
  url={https://doi.org/10.1016/j.aorn.2011.10.009}
}