ASSESSING THE EFFICACY OF ORAL VITAMIN B 12 TO PARENTERAL VITAMIN B12 IN TREATING CHILD SUBJECTS WITH NUTRITIONAL MACROCYTIC ANEMIA . Int. Res. J. Pharm. [Internet]. 2023 Oct. 2 [cited 2026 Oct. 29];14(10):5-10. Available from: https://irjponline.org/index.php/irjp/article/view/70