@misc{indiciae763984265ddd,
  title = {The apical cap.},
  author = {R R Renner and B Markarian and N J Pernice and E R Heitzman},
  year = {1974},
  doi = {10.1148/110.3.569},
  url = {https://pubmed.ncbi.nlm.nih.gov/4811676/},
  note = {Source identifier: 4811676}
}