@misc{indiciae587070cc0cf3,
  title = {Making a critical difference with C.A.V.H.},
  author = {S M Dirkes},
  year = {1989},
  doi = {10.1097/00152193-198911000-00019},
  url = {https://pubmed.ncbi.nlm.nih.gov/2586901/},
  note = {Source identifier: 2586901}
}