@misc{indiciae6876b3632683,
  title = {Ad in question.},
  author = {M F Nolan},
  year = {1989},
  doi = {10.1093/ptj/69.6.511},
  url = {https://pubmed.ncbi.nlm.nih.gov/2786219/},
  note = {Source identifier: 2786219}
}