Lactose IntoleranceLactose Tolerance TestLactaseFlatulenceLactoseDiarrheaDairy ProductsBreath TestsLactase-Phlorizin HydrolaseHydrogenMilkKwashiorkorMalabsorption SyndromesAbdominal PainCalcium, DietaryNational Institute of Mental Health (U.S.)Glucose IntoleranceLactose SynthaseIntestine, SmallIrritable Bowel SyndromeFecesDiarrhea, InfantileFructose Intolerancebeta-GalactosidaseLactose FactorsThiogalactosidesOrthostatic IntoleranceDiarrhea Viruses, Bovine ViralSymporters