A cut-off value of plasma osteoprotegerin level may predict the presence of coronary artery calcifications in chronic kidney disease patients - Morena, M; Dupuy, A M; Jaussent, I; Vernhet, H; Gahide, G; Klouche, K; Bargnoux, A S; Delcourt, C; Canaud, B; Cristol, J P (Nephrol Dial Transplant, 2009)