@misc{indiciae5c2b7fde9d4e,
  title = {Quality assurance.},
  author = {E Helmes},
  year = {1989},
  doi = {10.1176/ps.40.7.755-a},
  url = {https://pubmed.ncbi.nlm.nih.gov/2777237/},
  note = {Source identifier: 2777237}
}