Srithawong A, Poncumhak P, Ladawan S, Phrompao P, Konsanit S, Promsrisuk T. Reference value of peak cough flow in Thai subjects aged 20-90 years. Arch AHS [internet]. 2019 Dec. 30 [cited 2025 Apr. 12];31(3):337-46. available from: https://he01.tci-thaijo.org/index.php/ams/article/view/233158