Digital Holographic Microscopy for Label-Free Detection of Leukocyte Alternations Associated with Perioperative Inflammation after Cardiac Surgery oleh David Rene Steike, Michael Hessler, Eberhard Korsching, Florian Lehmann, Christina Schmidt, Christian Ertmer, Jürgen Schnekenburger, Hans Theodor Eich, Björn Kemper, Burkhard Greve