Muhammad Asif Khan, Anwar Ul Haq, Imran Qadir Khattak, Farhan Zeb, Hameed Ullah, Muhammad Awais. “COPD Patients Had a Greater Probability of Getting GERD Than the General Population. A Multi Center Study”. Pakistan Journal of Medical & Health Sciences 16, no. 12 (February 18, 2023): 815. Accessed November 23, 2024. https://mail.pjmhsonline.com/index.php/pjmhs/article/view/3900.