Anemias of blood loss and iron deficiency associated with gastrointestinal disease.
D000740:Anemia / Q000209:etiology*; D005767:Gastrointestinal Diseases / Q000150:complications*; D006470:Hemorrhage; D006801:Humans; D007501:Iron
D007501:Iron
ANEMIA/etiology and pathogenesis; GASTROINTESTINAL DISEASES/complications