The frequency of vitamin B12, iron, and folic acid deficiency in the neonatal period and infancy, and the relationship with maternal levels
Esra Sayar, Betül Biner , Ersin Sayar, Fatma Turan, Mustafa Küçük
(Turk Arch Pediatr 2020; 55: 139-148) DOI: 10.14744/TurkPediatriArs.2020.14042