@incollection{Agrawal19,
author = {Shrikant Phatak and Richa Agrawal},
title = {Rhinosinusitis: How Common Are Anatomical Variations Responsible?},
booktitle = {Rhinosinusitis},
publisher = {IntechOpen},
address = {Rijeka},
year = {2019},
editor = {Balwant Singh Gendeh and Mirjana Turkalj},
chapter = {5},
doi = {10.5772/intechopen.83689},
url = {https://doi.org/10.5772/intechopen.83689}
}