Sadia Tabassum, Mumtaz Ali Qureshi, Maria Kazi, Haji Khan Khoharo, Salman Ahmad Farsi Kazi, Naveed Kazi (2014) “Vitamin D3 & Serum Calcium Levels in Premenstrual Syndrome”, Journal of Peoples University of Medical & Health Sciences Nawabshah. (JPUMHS), 4(2), pp. 105–109. Available at: http://publication.pumhs.edu.pk/index.php/ojs/article/view/141 (Accessed: 3 July 2024).