Pathak, Aditya, and Ramanand Yadav. 2017. “Study of Anatomical Variants at Osteomeatal Complex in Cases of Chronic Maxillary Sinusitis”. International Journal of Otorhinolaryngology and Head and Neck Surgery 4 (1):100-102. https://doi.org/10.18203/issn.2454-5929.ijohns20174661.