3Jadcherla SR,Duong HQ,Hofmann C,et al.Characteristics of upper oesophageal sphincter and oesophageal body during maturation in healthy human neonates compared with adults[J].Neurogastmenteml Motil,2005,17(5):663-670.
4Berseth C L.Neonatel small intestinal motility:motor resdonses to feedinginte and pretenninfants[J].J Pediatr,1990,117(5):777-782.
10Amer MD,Hedlund E,Rochester J,et al.Platelet-activating factor concentration in the stool of human newborns:effects of enteral feeding and neonatal necrotizing enterocolitis[J].Biol Neonate,2004,85(3):159-166.