Mashal Siddiqui1 , Majid Ali Hingoro2 , Shomail Saeed Siddiqui3 , Jawad Mumtaz Sodhar4 , Palwasha Abbasi5 , Arooba Bhutto6 , Mehwish Kashif7 , Kashif Rasheed Shaikh8, “VITAMIN B12 LEVELS IN GENERAL ADULT POPULATION OF SINDH”., JPUMHS, vol. 11, no. 4, pp. 46–50, Dec. 2021.