Iron-dextran therapy rescues the Tmprss6^−/− phenotype. (A) Representative photograph of a 2-month-old Tmprss6^−/− mice before (left) and after 1 month of iron-dextran treatment (right). (B) Wright-Giemsa–stained blood smears from untreated (top) and iron-dextran injected (bottom) Tmprss6^−/− mice. Bar represents 10 μm; magnification, 100×/1.25 NA.