Maternal and fetal serum insulin-like growth factor-I (IGF-I) IGF binding protein-3 (IGFBP-3), leptin levels and early postnatal growth in infants born asymmetrically small for gestational age - Orbak, Z; Darcan, S; Coker, M; Gökşen, D (J Pediatr Endocrinol Metab, 2001)