title: Acid loss and CO 2  production in proximal and distal segments of human duodenum.
mesh_terms: D000136:Acid-Base Equilibrium; D000143:Acids / Q000378:metabolism*; D002245:Carbon Dioxide / Q000378:metabolism*; D004386:Duodenum / Q000378:metabolism*; D006801:Humans; D007413:Intestinal Mucosa / Q000378:metabolism
chemical_list: D000143:Acids; D002245:Carbon Dioxide