TO STUDY THE VITAMIN B12 STATUS IN MORBIDLY OBESE PATIENTS. International Journal of Food and Nutritional Sciences, [S. l.], v. 2, n. 2, p. 73–76, 2013. Disponível em: https://www.ijfans.org/index.php/Journal/article/view/86. Acesso em: 14 aug. 2026.