Blood-groups and the intestine.
D000017:ABO Blood-Group System; D000469:Alkaline Phosphatase / Q000378:metabolism*; D000752:Anemia, Pernicious / Q000453:epidemiology*; D006801:Humans; D007419:Intestinal Secretions / Q000502:physiology*; D010437:Peptic Ulcer / Q000453:epidemiology*; D013274:Stomach Neoplasms / Q000453:epidemiology*
D000017:ABO Blood-Group System; D000469:Alkaline Phosphatase