Toprak, D., Gökalp, A. S., Hatun, S., Zengin, E., Arisoy, A. E., & Yumuk, Z. (2004). Serum leptin levels of premature and full-term newborns in early infancy: metabolic catch-up of premature babies. The Turkish Journal of Pediatrics, 46(3), 232-238. https://turkjpediatr.org/article/view/2808