LactaseLactose IntoleranceLactase-Phlorizin HydrolaseLactose Tolerance TestDisaccharidasesGalactosidasesSucraseLactoseLactose Synthasebeta-GalactosidaseMilkJejunumIntestine, SmallLactose FactorsThiogalactosidesYogurtBreath TestsSymportersHydrogenalpha-GlucosidasesNitrophenylgalactosidesSucrase-Isomaltase ComplexMicrovilliGalactosidesDairy ProductsMonosaccharide Transport ProteinsMembrane Transport ProteinsMethylgalactosidesIntestinesIntestinal MucosaShallotsIntestinal AbsorptionMelibioseRadiometric DatingDisaccharidesSprue, Tropical