TY  - RPRT
TI  - Sinolith in the ethmoid sinus.
AU  - S Kanzaki
AU  - Michiie Sakamoto
PY  - 2006
DO  - 10.1017/s0022215105000162
UR  - https://pubmed.ncbi.nlm.nih.gov/16917988/
ID  - 16917988
ER  -