@misc{indiciae90b31413cbb1,
  title = {Nursing research: obstacles and challenges.},
  author = {I M Martinson},
  year = {1976},
  doi = {10.1111/j.1547-5069.1976.tb01613.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/1044599/},
  note = {Source identifier: 1044599}
}