TY  - RPRT
TI  - Simplified esthetic root extrusion techniques.
AU  - R R Lemon
PY  - 1982
DO  - 10.1016/0030-4220(82)90422-4
UR  - https://pubmed.ncbi.nlm.nih.gov/6956832/
ID  - 6956832
ER  -