8Mattingly JE, Alessio DJ, Ramanathan J. Effects of obstetric analgesics and anesthetics on neonate., a review[J].Paediatr Drugs,2003,5(9):615-627.
9Regan K J, Sullivan OG. The extension of epidural block- ade for emergency Caesarean section: a survey of current U K practice[J].Anaesthesia,2008,63(2) : 136-141.
