Samonis, G. Thomakos, N. Liakakos, T. Macheras, A. Mandrekas, D. Kanavaki, S. Bafaloukos, D. Maraki, S., Effects of cefepime and meropenem on the gastrointestinal colonization of surgical patients by Candida albicans, Antiviral Chemistry and Chemotherapy, (47), 350-353, 2001,