@misc{indiciae8c2649071463,
  title = {Effectiveness or efficiency?},
  author = {J Bignall},
  year = {1998},
  doi = {10.1016/s0140-6736(05)79569-6},
  url = {https://pubmed.ncbi.nlm.nih.gov/9800791/},
  note = {Source identifier: 9800791}
}