Relationship between metabolic control and neurocognitive functions in children diagnosed with type I diabetes mellitus before and after 5 years of age - Ozlem Tolu-Kendir; Nurcihan Kiriş; Fatih Temiz; Fatih Gürbüz; Neslihan Onenli-Mungan; Ali Kemal Topaloğlu; Bilgin Yüksel (The Turkish Journal of Pediatrics)