Georgakopoulos, C.G. Vonaparti, A. Stamou, M. Kiousi, P. Lyris, E. Angelis, Y.S. Tsoupras, G. Wuest, B. Nielen, M.W.F. Panderi, I. Koupparis, M., Preventive doping control analysis: Liquid and gas chromatography time-of-flight mass spectrometry for detection of designer steroids, Rapid Communications in Mass Spectrometry, (21), 2439-2446, 2007, 0951-4198, 1097-0231