[Biopsy of the small intestine in pediatrices, with special reference to infants].
D001706:Biopsy / Q000295:instrumentation; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D007413:Intestinal Mucosa / Q000473:pathology*; D007421:Intestine, Small / Q000473:pathology*; D008722:Methods