article_metadata: Kihwan Kwok Hun Po Cho Sangheon Park Young Joon Jun
article_metadata: 10.1177/2050313X20964104
article_metadata: SAGE Open Med Case Rep
article_metadata: 2020 Oct 16;8:2050313X20964104.
article_metadata: sinonasal cavity allergy foreign bodies nasal and sinus surgery oroantral fistula
article_metadata: CC BY-NC
article_metadata: https://pubmed.ncbi.nlm.nih.gov/33149914/
article_metadata: Case Reports
article_metadata: PMC7580137
article_metadata: 33149914
article_metadata: A case of foreign bodies self-inserted into the paranasal sinus via an oroantral fistula
article_metadata: 2020