Umbilical hernia in infants and children.
D001741:Black or African American; D002648:Child; D002675:Child, Preschool; D005260:Female; D006554:Hernia, Umbilical / Q000453:epidemiology / Q000601:surgery*; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D007235:Infant, Premature, Diseases / Q000453:epidemiology; D014481:United States