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Histochemical demonstration of gamma glutamyl transpeptidase activity in bone marrow and blood cells
Abstract
The demonstration by a histochemical method of gamma glutamyl transpeptidase is described. In marrow and peripheral blood it has been found useful in differentiating between normal and leukaemic myeloblasts and between marrow (short-lived) lymphocytes and lymph node (long-lived) lymphocytes. The method may also be of value in differentiating between normal and neoplastic cells.