@misc{indiciaeecc3d863490a,
  title = {A combination obturator.},
  author = {G R Parr},
  year = {1979},
  doi = {10.1016/0022-3913(79)90018-0},
  url = {https://pubmed.ncbi.nlm.nih.gov/283233/},
  note = {Source identifier: 283233}
}