Anemia of investigation.
D000740:Anemia / Q000209:etiology*; D001774:Blood Chemical Analysis; D001810:Blood Volume; D006400:Hematocrit; D006452:Hemoglobinometry; D006801:Humans; D007049:Iatrogenic Disease / Q000209:etiology*; D007501:Iron / Q000097:blood
D007501:Iron