title: [Pathogenesis of peptic ulcer and changes of protective mechanism of the gastric and duodenal mucosa].
mesh_terms: D000818:Animals; D005753:Gastric Mucosa / Q000378:metabolism*; D006025:Glycosaminoglycans / Q000378:metabolism*; D066298:In Vitro Techniques; D007413:Intestinal Mucosa / Q000378:metabolism*; D010437:Peptic Ulcer / Q000209:etiology*; D051381:Rats
chemical_list: D006025:Glycosaminoglycans