@misc{indiciae428d97302cb7,
  title = {Research into outcomes and effectiveness.},
  author = {R J Greene and C W Maklan},
  year = {1994},
  doi = {10.1136/bmj.309.6958.879a},
  url = {https://pubmed.ncbi.nlm.nih.gov/7950641/},
  note = {Source identifier: 7950641}
}