Saeed, Muhammad Shahid, Adeela Shahid, Samia Jawed, Muhammad Akram, and Irshad Hussain Qureshi. “Serum Magnesium Level Is Associated With Excerbation Of Bronchail Asthma”. Annals of King Edward Medical University 25, no. 3 (October 11, 2019). Accessed January 21, 2020. https://www.annalskemu.org/journal/index.php/annals/article/view/3038.