title: [Laboratory examination of the gastroduodenal fluid].
mesh_terms: D001646:Bile / Q000032:analysis; D019411:Clinical Laboratory Techniques; D004386:Duodenum; D005260:Female; D005745:Gastric Acidity Determination; D005750:Gastric Juice / Q000032:analysis*; D006801:Humans; D007419:Intestinal Secretions / Q000032:analysis*; D008297:Male; D010189:Pancreatic Juice / Q000032:analysis