@misc{indiciaeab1b1ab42485, title = {External root resorption: an experimental radiographic evaluation.}, author = {L Chapnick}, year = {1989}, doi = {10.1016/0030-4220(89)90276-4}, url = {https://pubmed.ncbi.nlm.nih.gov/2717155/}, note = {Source identifier: 2717155} }