Toprak D, Gökalp AS, Hatun Ş, Zengin E, Arısoy AE, Yumuk Z. Serum leptin levels of premature and full-term newborns in early infancy: metabolic catch-up of premature babies. Turk J Pediatr. 2004;46(3):232-238. Accessed October 25, 2026. https://turkjpediatr.org/article/view/2808