%0 Journal Article %T Spontaneous Otogenic Pneumocephalus due to Frequent Plane Travelling %A Jafri Kuthubutheen %A Katherine Pollaers %J Archive of "Case Reports in Otolaryngology". %D 2019 %R 10.1155/2019/8768506 %U https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6444268/