Umbilical hernia of infants and children.
D000367:Age Factors; D002648:Child; D002675:Child, Preschool; D005260:Female; D006554:Hernia, Umbilical / Q000453:epidemiology* / Q000235:genetics; D006801:Humans; D007223:Infant; D008297:Male; D009549:Nigeria; D012737:Sex Factors