Rep. Nancy Pelosi’s exit from politics after nearly 40 years in the game is a stark reminder that too much of our political class is like her: long-haul careerists who cling to the reins of power — ...
Two populations of B cells, B-1 cells and B-2 cells, have been described in mice. B-2 cells are produced in the bone marrow during postnatal life. Most B cells in peripheral lymphoid tissues are B-2 ...
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