Maleeha Tahir Butt, Amber Shami, Waqas Qarshi, Raheela Shaheen, Zarrin Khaliq Chaudari, Mehak Shafiq 2022. Vitamin D Deficiency as Etiological Factor for Breast Cancer. Pakistan Journal of Medical & Health Sciences. 16, 08 (Oct. 2022), 836. DOI:https://doi.org/10.53350/pjmhs22168836.