TY  - RPRT
TI  - [Recurrent frontal sinusitis, with special reference to its etiology].
AU  - R Takahashi
AU  - T Hizaki
AU  - T Ito
AU  - I Tanaka
PY  - 1969
UR  - https://pubmed.ncbi.nlm.nih.gov/5388751/
ID  - 5388751
ER  -