2Todros T, Paladini D, Chiappa E, et al. Pulmonary stenosis and atresia with intact ventricular septum during prenatal life [J]. Ultrasound Obstet Gynecol,2003,21:228 - 233.
3Todros T,Paladini D,Chiappa E,et al.Pulmonary stenosis and atresia with intact ventricular septum during prenatal life.Ultrasound Obstet Gynecol,2003,21:228-233.
5Todros T, Paladini D, Chiappa E, et al. Pulmonary stenosis and atresia with intact vent ricular septum during prenatal life [ J ]. Ultrasound Obstet Gyneco1,2003 ,21:228 - 233.