4Estevao-Costa J, Soares-Oliveira M, Campos M, et al. Intestial invagination secondary to myoepithelial hamartoma in children. Rev Esp Enferm Dig, 2001,93 : 485 -486.
5Steur R J, Perez RS, De LangeJJ. Dosage scheme for propofol in children nuder 3 years of age. Pediatr Anesth,2004,14:462-467.
6Cozal D, Drenger B, Levin PD, et al. A pediatric sedation Anesthesia program with dedicated care by anesthesiologists and nurses for procedures outside the operating room. J Pediatr, 2004,145 : 47-52.