Nature · 1957 · 32 citations · 6 references
AgricultureNutritionNutritional SciencesBioavailabilityHuman NutritionNutritional PhysiologyMicronutrient AbsorptionMicronutrient BioavailabilityNutrient AbsorptionNutrient BioavailabilityVitamin MetabolismVitamin PhysiologyBioavailability Of Vitamin B12Intrinsic Factor DeficiencyIntrinsic Factor PhysiologyVitamin B12 (Cobalamin)Vitamin B12 Metabolism
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