title: [Precancerous conditions and abnormality in differentiation--biochemical studies of intestinal metaplasia of the stomach].
mesh_terms: D006801:Humans; D008297:Male; D008679:Metaplasia; D008875:Middle Aged; D011230:Precancerous Conditions / Q000201:enzymology*; D013274:Stomach Neoplasms / Q000201:enzymology*; D013393:Sucrase / Q000032:analysis*
chemical_list: D013393:Sucrase