[Frequency of occult spina bifida].
D000328:Adult; D000368:Aged; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D011859:Radiography; D016136:Spina Bifida Occulta / Q000000981:diagnostic imaging / Q000453:epidemiology* / Q000235:genetics
O chastote skrytoĭ rasshcheleny pozvonochnika.