Sarmad Ali1, Muzafar Ali Shaikh2, Madiha Shah3, Fiza Shah4, Razia Bano5, Sadia Shaikh6. “ PAKISTAN.”. Journal of Peoples University of Medical &Amp; Health Sciences Nawabshah. (JPUMHS), vol. 11, no. 1, Mar. 2021, pp. 84-87, http://publication.pumhs.edu.pk/index.php/ojs/article/view/59.