TY  - RPRT
TI  - [Catamnestic studies after maxillary sinus-ethmoid bone surgery].
AU  - I Flemming
AU  - K W Hommerich
AU  - U Osterland
PY  - 1967
UR  - https://pubmed.ncbi.nlm.nih.gov/5591433/
ID  - 5591433
ER  -