TY  - RPRT
TI  - Endoscopically controlled sinus floor augmentation. A preliminary report.
AU  - W Engelke
AU  - I Deckwer
PY  - 1997
DO  - 10.1034/j.1600-0501.1997.080612.x
UR  - https://pubmed.ncbi.nlm.nih.gov/9555210/
ID  - 9555210
ER  -