Characterization of intact recombinant human erythropoietins applied in doping by means of planar gel electrophoretic techniques and matrix-assisted laser desorption/ionisation linear time-of-flight mass spectrometry. - Stübiger,G.; Marchetti,M.; Nagano,M.; Reichel,C.; Gmeiner,G.; Allmaier,G. (Rapid Commun Mass Spectrom, 2005)