“SERUM VITAMIN B12, FOLATE, AND HEMATOLOGICAL INDICES IN VEGETARIANS AND NON-VEGETARIANS IN ERBIL, IRAQ: A COMPARATIVE CROSS-SECTIONAL STUDY ”, Glob. j. public health med., vol. 8, no. 1 (Ongoing), pp. 243–255, Oct. 2026, doi: 10.37557/39fk8x32.