Amna Mustafa Musalli , Wael Awad Alshehri , Khalid Mohammed Abdulrahman Alfawzan , Mohammed Abdoh Mohammed Aljizany , Abdullah Jarullah Defullah Almalki , Dhafer Abdullah Dhafer Alqahtani , Rawan Addal Saad Alotaibi , Basmah Mousa Ahmad Mubaraky , and Ibtisam Mujahid Mushbari , Abdulaziz Ayedh O Alharbi , Wasaif Mubark Albarqawi. 2022. “A Review of Respiratory System Diseases: Causes, Symptoms, and Treatments”. Migration Letters 19 (S8). London, UK:103-13. https://migrationletters.com/index.php/ml/article/view/9723.