@misc{indiciae6bed7aec41c0,
  title = {Controlled clinical trials: an ethical imperative?},
  author = {W J Mackillop and P A Johnston},
  year = {1987},
  doi = {10.1016/0021-9681(87)90053-1},
  url = {https://pubmed.ncbi.nlm.nih.gov/3558711/},
  note = {Source identifier: 3558711}
}