title: Occurrence of pyloric stenosis in triplets.
mesh_terms: D005260:Female; D006801:Humans; D007231:Infant, Newborn; D007235:Infant, Premature, Diseases / Q000235:genetics*; D008297:Male; D011247:Pregnancy; D011707:Pyloric Stenosis / Q000151:congenital* / Q000235:genetics; D014310:Triplets