TY  - RPRT
TI  - Failure of endodontically treated teeth: classification and evaluation.
AU  - D E Vire
PY  - 1991
DO  - 10.1016/s0099-2399(06)81702-4
UR  - https://pubmed.ncbi.nlm.nih.gov/1779219/
ID  - 1779219
ER  -