title: Jejunal biopsy in infants and underweight children.
mesh_terms: D001706:Biopsy; D002648:Child; D002675:Child, Preschool; D003677:Deficiency Diseases; D004386:Duodenum; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D007583:Jejunum; D008722:Methods; D009748:Nutrition Disorders