[Evaluation and observation on cases of spina bifida].
D000015:Abnormalities, Multiple; D001139:Arnold-Chiari Malformation / Q000150:complications; D002675:Child, Preschool; D005260:Female; D005500:Follow-Up Studies; D006801:Humans; D006849:Hydrocephalus / Q000150:complications; D007223:Infant; D007231:Infant, Newborn; D007564:Japan; D008297:Male; D008588:Meningocele / Q000150:complications; D011379:Prognosis; D012737:Sex Factors; D016135:Spinal Dysraphism / Q000145:classification / Q000401:mortality / Q000601:surgery; D013518:Surgery, Plastic