@misc{indiciae08c75cd8775e,
  title = {A simple method for estimating compliance.},
  author = {J X Brunner and H Langenstein and G Wolff},
  year = {1985},
  doi = {10.1097/00003246-198508000-00014},
  url = {https://pubmed.ncbi.nlm.nih.gov/4017598/},
  note = {Source identifier: 4017598}
}