Türkmenoğlu, Yelda, Tuğçe Aksu Uzunhan, Emine Türkkan, Ayşenur Levent, Diğdem Bezen, Ömer Faruk Beşer, and Adem Karbuz. “Evaluation of Vitamin B12 Deficiency in Hospitalized Infants: A 5-Year Experience”. Cerrahpaşa Medical Journal 46, no. 2 (June 7, 2022): 108–114. Accessed December 18, 2025. https://cerrahpasamedj.org/index.php/pub/article/view/750.