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Anemia and abnormal erythropoiesis in neoΔHS embryos. (A) Embryos at E13.5. (B) Peripheral blood smears at yolk sac (E11.5) and fetal liver (E13.5) stages. Note binucleate primitive erythrocytes, indicated by the arrows on the left and arrows with P on the right. Note the presence of immature definitive erythroid cells (arrows with D) at E13.5.
