Ali Karim1 , Shahida Hassan Memon2 , Jamil Ahmed3 , Abdul Karim Soomro4 , Abdul Manan Soomro5 2021. PREVALENCE OF VITAMIN-D DEFICIENCY AMONG THE PATIENTS OF HBV AND HCV RELATEDCHRONIC LIVER DISEASE. Journal of Peoples University of Medical & Health Sciences Nawabshah. (JPUMHS). 11, 3 (Sep. 2021), 67–72.