Musharraf, Muhammad Usman, Ghaanfar Ali Sandhu, Muhammad Usman Mumtaz, and Muhammad Farhan Rashid. “ROLE OF VITAMIN D IN PREVENTION OF ACUTE EXACERBATION OF BRONCHIAL ASTHMA IN ADULTS”. Journal of Postgraduate Medical Institute 31, no. 3 (August 10, 2017). Accessed August 15, 2022. https://www.jpmi.org.pk/index.php/jpmi/article/view/2111.