@article{Mohammad201621 title = "Role of Helicobacter Pylori in Nasal Polyp Formation: A Case-Control Study in Tehran, Iran", journal = "Journal of Otolaryngology Advances", volume = "1", number = "2", pages = "21 - 27", year = "2016", note = "", issn = "2379-8572", doi = "https://doi.org/10.14302/issn.2379-8572.joa-15-814", url = "https://openaccesspub.orgjoa/article/222", author = "Reza Shokrollahi Mohammad and Tabatabaei Azardokht and Farhadi Mohammad and Noorbakhsh Samileh and Movahedi Zahra", keywords = "Nasal polyp", keywords = "H. pylori", keywords = "Polymerase chain reaction", keywords = "ELISA." }