title: The activity of three different small-intestinal  -galactosidases in adults with and without lactase deficiency.
mesh_terms: D000328:Adult; D000368:Aged; D004789:Enzyme Activation; D005260:Female; D005696:Galactosidases / Q000032:analysis*; D006801:Humans; D007421:Intestine, Small / Q000201:enzymology*; D007787:Lactose Intolerance / Q000201:enzymology*; D008297:Male; D008320:Maltose / Q000032:analysis; D008875:Middle Aged; D013393:Sucrase / Q000032:analysis; D014198:Trehalase / Q000032:analysis
chemical_list: D008320:Maltose; D005696:Galactosidases; D014198:Trehalase; D013393:Sucrase