A comparison of the effect of modified and nonmodified instrument tips on apical canal configuration. Part II.

@article{Powell1988ACO,
  title={A comparison of the effect of modified and nonmodified instrument tips on apical canal configuration. Part II.},
  author={Scott Powell and Peter D Wong and James H. S. Simon},
  journal={Journal of endodontics},
  year={1988},
  volume={14 5},
  pages={224-8}
}