TY  - RPRT
TI  - Failures with gingivectomy.
AU  - S Levine
PY  - 1967
DO  - 10.1111/j.1834-7819.1967.tb00847.x
UR  - https://pubmed.ncbi.nlm.nih.gov/5234455/
ID  - 5234455
ER  -