Dimensions of gastroduodenal surface pH gradients exceed those of adherent mucus gel layers.
D000818:Animals; D004386:Duodenum; D005750:Gastric Juice / Q000032:analysis*; D005753:Gastric Mucosa / Q000032:analysis*; D006863:Hydrogen-Ion Concentration; D007413:Intestinal Mucosa / Q000032:analysis*; D009093:Mucus / Q000032:analysis; D011817:Rabbits; D011898:Ranidae; D051381:Rats