title: Intraluminal pH of duodenum and jejunum in fasting subjects with normal and abnormal gastric or pancreatic function.
mesh_terms: D000126:Achlorhydria / Q000503:physiopathology; D000328:Adult; D000368:Aged; D002446:Celiac Disease / Q000503:physiopathology; D004386:Duodenum / Q000378:metabolism / Q000503:physiopathology*; D005260:Female; D005750:Gastric Juice / Q000032:analysis*; D006801:Humans; D006863:Hydrogen-Ion Concentration; D007583:Jejunum / Q000378:metabolism* / Q000503:physiopathology*; D008875:Middle Aged; D013997:Time Factors