Rehman, R., A. S. Naz, R. Khan, F. Hashmi, and Y. Ejaz. “Emerging Trends of Use of Complementary Alternative Medicine in Asthmatics”. Journal of Postgraduate Medical Institute, vol. 27, no. 4, Oct. 2013, https://www.jpmi.org.pk/index.php/jpmi/article/view/1526.