Levels of Platelet Activating Factor and its metabolic enzymes in HIV-infected, naive male patients V.D. Papakonstantinou, M. Chini, G.M. Stamatakis, N. Mangafas, N. Tsogas, E. Fragopoulou, P. Gargalianos, S. Antonopoulou, C.A Demopoulos, M-C Lazanas