[Pathohistological study of congenital hyperplastic stenosis of the pylorus].
D002648:Child; D002675:Child, Preschool; D005260:Female; D006801:Humans; D006965:Hyperplasia; D007223:Infant; D008297:Male; D011707:Pyloric Stenosis / Q000151:congenital* / Q000473:pathology