[Prolems in the surgery of stomach and duodenal ulcer in children].
D000293:Adolescent; D002675:Child, Preschool; D004381:Duodenal Ulcer / Q000601:surgery*; D005260:Female; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D008297:Male; D008722:Methods; D013276:Stomach Ulcer / Q000601:surgery*