Fasting and postprandial glucose, insulin, leptin, and ghrelin values in preterm babies and their mothers: relationships among their levels, fetal growth, and neonatal anthropometry - Kahveci, H; Laloglu, F; Kilic, O; Ciftel, M; Kara, M; Laloglu, E; Yildirim, A; Orbak, Z; Ertekin, V; Cesur, Y (J Matern Fetal Neonatal Med, 2015)