Zafarullah, AKM, Md Badrul Alam, Moinuddin Ahmed, Ashutosh Das, and Md Shah Alam. “Peak Expiratory Flow Rate Among Rural and Urban Normal School Children in Chattogram, Bangladesh”. Chattagram Maa-O-Shishu Hospital Medical College Journal 18, no. 1 (July 10, 2019): 18–22. Accessed November 22, 2024. https://banglajol.info/index.php/CMOSHMCJ/article/view/42132.