Singh C, Garg P, Sodawat R. A prospective, cross sectional open label clinicoepidemiological study of vitamin B-12 deficiency in adolescent children. Int J Contemp Pediatr [Internet]. 2018 Jun. 22 [cited 2026 Feb. 28];5(4):1468-73. Available from: https://www.ijpediatrics.com/index.php/ijcp/article/view/1623