Muhammad Asif Khan, Anwar Ul Haq, Imran Qadir Khattak, Farhan Zeb, Hameed Ullah, Muhammad Awais. (2023). COPD Patients Had a Greater Probability of Getting GERD than the General Population. A Multi Center Study. Pakistan Journal of Medical & Health Sciences, 16(12), 815. https://doi.org/10.53350/pjmhs20221612815