Duodenal bile-acids.
D000367:Age Factors; D001647:Bile Acids and Salts / Q000032:analysis*; D004386:Duodenum; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D007419:Intestinal Secretions / Q000032:analysis*
D001647:Bile Acids and Salts