title: Effects of cigarette smoking on bicarbonate and volume of duodenal contents.
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D001639:Bicarbonates / Q000032:analysis / Q000378:metabolism*; D001646:Bile / Q000187:drug effects / Q000378:metabolism; D004386:Duodenum / Q000503:physiopathology*; D005215:Fasting; D006801:Humans; D007419:Intestinal Secretions / Q000032:analysis*; D008297:Male; D008875:Middle Aged; D010189:Pancreatic Juice / Q000187:drug effects* / Q000378:metabolism; D010437:Peptic Ulcer / Q000209:etiology; D012633:Secretin / Q000494:pharmacology; D012907:Smoking / Q000503:physiopathology*
chemical_list: D001639:Bicarbonates; D012633:Secretin