Ali Karim1 , Shahida Hassan Memon2 , Jamil Ahmed3 , Abdul Karim Soomro4 , Abdul Manan Soomro5. “PREVALENCE OF VITAMIN-D DEFICIENCY AMONG THE PATIENTS OF HBV AND HCV RELATEDCHRONIC LIVER DISEASE”. Journal of Peoples University of Medical &Amp; Health Sciences Nawabshah. (JPUMHS), vol. 11, no. 3, Sept. 2021, pp. 67-72, http://121.52.155.46/index.php/ojs/article/view/603.