@misc{indiciae1838736941d5,
  title = {A simple stopple introducer.},
  author = {D Clark},
  year = {1968},
  doi = {10.1017/s0022215100069127},
  url = {https://pubmed.ncbi.nlm.nih.gov/5659553/},
  note = {Source identifier: 5659553}
}