TY  - RPRT
TI  - Acute maxillary sinusitis caused by a guttapercha point.
AU  - B Minkow
AU  - D Laufer
AU  - D Gutman
PY  - 1977
UR  - https://pubmed.ncbi.nlm.nih.gov/269850/
ID  - 269850
ER  -