Increasing incidence of infantile hypertrophic pyloric stenosis, 1971-1983.
D001722:Birth Order; D005260:Female; D006801:Humans; D006984:Hypertrophy; D007231:Infant, Newborn; D007494:Ireland; D008297:Male; D011707:Pyloric Stenosis / Q000453:epidemiology*; D012737:Sex Factors