1 ﹒ Johnson MP,Gerdes M,Rintoul N et al ﹒ Maternal‐fetal surgery for myelomeningocele:neurodevelop mental outcomes at2yearso fa ge ﹒ AM J Obstet Gy necol2006。14.Patel Y,BoydP A,ChamberlainP,Lakhoo K ﹒ Follow‐up of childrenw ithi solatedf etal echogenicb o ......