Athar, Muhammad Hammad, Usama Bin Zubair, and Barik Hassan Ahmed. “IMPACT OF PROPER METERED DOSE INHALER TECHNIQUE OVER PEAK EXPIRATORY FLOW RATE IN MODERATE PERSISTENT BRONCHIAL ASTHMA: Metered Dose Inhaler Technique Peak Expiratory Flow Rate”. Pakistan Armed Forces Medical Journal 68, no. 4 (August 31, 2018): 975–79. Accessed November 28, 2024. https://pafmj.org/PAFMJ/article/view/58.