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 2021, 11, 46-50.