TY  - RPRT
TI  - A classification system for sinus membrane perforations during augmentation procedures with options for repair.
AU  - J M Vlassis
AU  - P A Fugazzotto
PY  - 1999
DO  - 10.1902/jop.1999.70.6.692
UR  - https://pubmed.ncbi.nlm.nih.gov/10397526/
ID  - 10397526
ER  -