Tanghor N, Sawangroj N, Phongnin C, Chanasuek T, Kondaung K. Effects of oral and nasal steroids in nasal polyps: a systematic review. TCA [internet]. 2018 Apr. 2 [cited 2026 Sep. 20];42(1):31-43. available from: https://he02.tci-thaijo.org/index.php/theclinicalacademia/article/view/173562