Panagiotis Kousoulis Jiannis Hajiioannou Vassiliki Florou Dimitrios Kretzas George Korres
10.1155/2013/836064
Case Rep Otolaryngol
2013;2013:836064.
CC BY
https://pubmed.ncbi.nlm.nih.gov/24368959/
PMC3867860
24368959
Excessive paranasal sinuses and mastoid aeration as a possible cause of chronic headache
2013