Hafeez, Nadeem, Qudrat Ullah, Asif Hanif, Zaheer Akhtar, Muhammad Umar, and Rukhma Rafaqat. 2019. “Frequency of Clinical Symptoms of Gastroesophageal Reflux Disease in Asthmatic Patients”. The International Journal of Frontier Sciences 3 (1):3-9. https://doi.org/10.37978/tijfs.v3i1.43.