Racial significance in pyloric stenosis.
D000353:Africa, Southern; D002648:Child; D002675:Child, Preschool; D005260:Female; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D008297:Male; D011707:Pyloric Stenosis / Q000453:epidemiology*; D044469:Racial Groups