title: Case study: congenital hypertrophic pyloric stenosis in twins.
mesh_terms: D004200:Diseases in Twins; D006801:Humans; D006984:Hypertrophy / Q000151:congenital; D007231:Infant, Newborn; D008297:Male; D011706:Pyloric Antrum / Q000473:pathology; D011707:Pyloric Stenosis / Q000151:congenital* / Q000451:nursing / Q000601:surgery