Fouladvand, T., Pirzadeh, A., Isazadehfar, K. and Alipour, A. 2019. Evaluating diagnostic value of clinical symptoms and signs for chronic sinusitis by CT-scan in patients admitted to Ardabil city hospital, Iran. International Journal of Advances in Medicine. 6, 3 (May 2019), 590–593. DOI:https://doi.org/10.18203/2349-3933.ijam20192233.