Journal Pre-proof Effects of chamomile extract nasal drop on chronic rhinosinusitis treatment: A randomized double blind study Shadman Nemati, Fatemeh Yousefbeyk, Seyedeh Matin Ebrahimi, Ali Faghih Habibi, Maryam Shakiba, Hedieh Ramezani PII: S0196-0709(20)30437-3 DOI: https://doi.org/10.1016/j.amjoto.2020.102743 Reference: YAJOT 102743 To appear in: American Journal of Otolaryngology--Head and Neck Medicine and Surgery Received date: 12 August 2020 Please cite this article as: S. Nemati, F. Yousefbeyk, S.M. Ebrahimi, et al., Effects of chamomile extract nasal drop on chronic rhinosinusitis treatment: A randomized double blind study, American Journal of Otolaryngology--Head and Neck Medicine and Surgery (2018), https://doi.org/10.1016/j.amjoto.2020.102743 This is a PDF file of an article that has undergone enhancements after acceptance, such as the addition of a cover page and metadata, and formatting for readability, but it is not yet the definitive version of record. This version will undergo additional copyediting, typesetting and review before it is published in its final form, but we are providing this version to give early visibility of the article. Please note that, during the production process, errors may be discovered which could affect the content, and all legal disclaimers that apply to the journal pertain. © 2018 Published by Elsevier.