Incidence of congenital pyloric stenosis within sibships.
D001722:Birth Order; D005260:Female; D005500:Follow-Up Studies; D006801:Humans; D007231:Infant, Newborn; D008297:Male; D010298:Parity; D011707:Pyloric Stenosis / Q000151:congenital / Q000235:genetics*; D012737:Sex Factors; D013223:Statistics as Topic