@misc{indiciaeb7662e4e903b,
  title = {Bisecting and paralleling technics for improved periapical examinations.},
  author = {A H Shawkat and J E Phillips},
  year = {1969},
  url = {https://pubmed.ncbi.nlm.nih.gov/4182472/},
  note = {Source identifier: 4182472}
}