VESICLES OBSERVED IN LEUCOREDUCED AND NON LEUCOREDUCED CONCENTRATED RED BLOOD CELLS BY MEANS OF ADVANCED MICROSCOPES: POSSIBLE RELATION TO THE STORAGE LESION - Stamopoulos, D.; Mpakirtzi, N; Nikolaou, G; Valsami, S.; Politou, M.; Pissas, M. (HAEMATOLOGICA, 2013)