title: Elevated plasma levels of noradrenaline in duodenal ulcer.
mesh_terms: D000328:Adult; D000368:Aged; D004381:Duodenal Ulcer / Q000097:blood*; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D009638:Norepinephrine / Q000097:blood*
chemical_list: D009638:Norepinephrine