Iftikhar Ali Kakar, Abdul Baqi, Nasir Azim, Waqas Ahmad, Zeeshan Shaukat, Khalid Shahab. (2023). Frequency of Gastroesophageal Reflux Disease in Chronic Obstructive Pulmonary Disease Patients. Pakistan Journal of Medical & Health Sciences, 16(12), 397. https://doi.org/10.53350/pjmhs20221612397