On the incidence of hiatal hernia in infants.
D002170:Canada; D003469:Culture; D004739:England; D005060:Europe; D006548:Hernia, Diaphragmatic / Q000453:epidemiology* / Q000628:therapy; D006801:Humans; D007223:Infant; D007224:Infant Care; D011187:Posture; D014481:United States