@misc{indiciae29eb12903399,
  title = {Premedication for gastrointestinal endoscopy.},
  author = {P Brown and P R Salmon and A E Read},
  year = {1972},
  doi = {10.1016/s0140-6736(72)90669-1},
  url = {https://pubmed.ncbi.nlm.nih.gov/4109731/},
  note = {Source identifier: 4109731}
}