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Singer, J W., P J. Fialkow, J W. Adamson, L. Steinmann, C. Ernst, S. Murphy, i K J. Kopecky. Polycythemia Vera. Increased Expression of Normal Committed Granulocytic Stem Cells in Vitro After Exposure of Marrow to Tritiated Thymidine. 1979.

Singer, J W., et al. Polycythemia Vera. Increased Expression of Normal Committed Granulocytic Stem Cells in Vitro After Exposure of Marrow to Tritiated Thymidine. 1979.