@misc{indiciae435aa8919c73,
  title = {A test protocol for large groups.},
  author = {H Jenkins and C G Langley},
  doi = {10.1097/00006223-199101000-00007},
  url = {https://pubmed.ncbi.nlm.nih.gov/1990326/},
  note = {Source identifier: 1990326}
}