TY  - RPRT
TI  - Periodontic-endodontic relationships.
AU  - R E Stallard
PY  - 1972
DO  - 10.1016/0030-4220(72)90424-0
UR  - https://pubmed.ncbi.nlm.nih.gov/4504573/
ID  - 4504573
ER  -