Surface pH gradient in gastroduodenal mucosa.
D000818:Animals; D001639:Bicarbonates / Q000378:metabolism; D004386:Duodenum / Q000378:metabolism*; D005753:Gastric Mucosa / Q000378:metabolism*; D006863:Hydrogen-Ion Concentration; D007413:Intestinal Mucosa / Q000378:metabolism*; D007477:Ions; D051381:Rats; D011919:Rats, Inbred Strains
D001639:Bicarbonates; D007477:Ions