Lactose IntoleranceLactose Tolerance TestLactaseFlatulenceLactoseDairy ProductsBreath TestsLactase-Phlorizin HydrolaseMilkHydrogenKwashiorkorLactose SynthaseMalabsorption SyndromesAbdominal PainCalcium, DietaryNational Institute of Mental Health (U.S.)Glucose IntoleranceLactose FactorsIntestine, SmallDiarrheaIrritable Bowel SyndromeThiogalactosidesFructose IntoleranceSymportersbeta-GalactosidaseNitrophenylgalactosidesFecesGalactosidesGalactosidasesMonosaccharide Transport ProteinsOrthostatic IntoleranceMembrane Transport Proteins