title: [Mucous barrier as a protective factor in the gastric mucosa].
mesh_terms: D000818:Animals; D005753:Gastric Mucosa / Q000378:metabolism*; D006168:Guinea Pigs; D006651:Histocytochemistry; D006801:Humans; D008297:Male; D011134:Polysaccharides / Q000378:metabolism*; D051381:Rats; D013276:Stomach Ulcer / Q000378:metabolism*
chemical_list: D011134:Polysaccharides