Malabsorption SyndromesAnemiaLactose IntoleranceSprue, TropicalIntestinal AbsorptionAnemia, AplasticSchilling TestLactose Tolerance TestAnemia, HemolyticIntrinsic FactorAnemia, MacrocyticAnemia, PerniciousCeliac DiseaseFanconi AnemiaAnemia, HypochromicAnemia, MegaloblasticBreath TestsJejunumAnemia, Hemolytic, AutoimmuneVitamin B 12XyloseProton-Coupled Folate TransporterHydrogenVitamin B 12 DeficiencyFructose IntoleranceCobalt IsotopesAnemia, Sickle CellExocrine Pancreatic InsufficiencyLactuloseAnemia, SideroblasticFatsLactoseShort Bowel SyndromeIntestine, SmallDiarrheaInfectious Anemia Virus, EquineHemoglobinsIntestinal DiseasesPancrelipaseAnemia, RefractoryBile Acids and SaltsFecesPancreatic ExtractsAnemia, Hemolytic, CongenitalPostgastrectomy SyndromesFolic Acid DeficiencyGlutensAchlorhydriaTrioleinBlind Loop SyndromeEquine Infectious AnemiaFolic AcidSelenium RadioisotopesErythropoietinMilkIleumIronFructoseChicken anemia virusAnemia, Dyserythropoietic, CongenitalGlycocholic AcidCarbohydrate Metabolism, Inborn ErrorsJejunoileal BypassAnemia, Diamond-BlackfanDuodenumJejunal DiseasesFanconi Anemia Complementation Group ProteinsPancreatinIntestinesLactaseYogurtDiet, Gluten-FreeNutrition DisordersGiardiasisPancreatic DiseasesAbsorptionGlucose Transporter Type 5Intestinal MucosaGastrointestinal DiseasesGastrointestinal TransitFood Service, HospitalBiliopancreatic DiversionDietary FatsPregnancy Complications, HematologicSodium-Glucose Transporter 1Anemia, NeonatalDiet TherapySorbitolTaurocholic AcidCystic FibrosisPancreatic Function TestsDermatitis HerpetiformisHematinicsFatty Acids, EssentialDietary CarbohydratesAnemia, Refractory, with Excess of BlastsCholestyramine ResinCobalt RadioisotopesHIV Wasting SyndromeFanconi Anemia Complementation Group C Protein