Ibrahim, Nahla, Abeer Alghamdi, Mayar Almehmadi, Asma’a Alzahrani, Asraa Turkistani, and Khalid Alghamdi. “Allergy and Related Clinical Symptoms Among Medical Students and Interns”. Pakistan Journal of Medical Sciences 35, no. 4 (July 9, 2019). Accessed July 12, 2020. http://pjms.org.pk/index.php/pjms/article/view/1281.