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Blood lines redrawn

The generation of blood cells is a complex affair. As the culmination of several years of study by various investigators, the latest research will necessitate revision of textbook accounts of the process.

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Figure 1: Classic scheme of haematopoiesis with an early bifurcation into lymphoid and myeloid branches.
Figure 2: Revised scheme for thymic T-cell differentiation.


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Graf, T. Blood lines redrawn. Nature 452, 702–703 (2008).

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