IL-2 stimulated but not unstimulated NK cells induce selective disappearance of peripheral blood cells: concomitant results to a phase I/II study. oleh Claudia Brehm, Sabine Huenecke, Andrea Quaiser, Ruth Esser, Melanie Bremm, Stephan Kloess, Jan Soerensen, Hermann Kreyenberg, Christian Seidl, Petra S A Becker, Heiko Mühl, Thomas Klingebiel, Peter Bader, Jakob R Passweg, Dirk Schwabe, Ulrike Koehl