Effects of allopurinol treatment on the progression of cronic nephritis in canine leishmaniosis - Plevraki, K; Koutinas, AF; Kaldrymidou, H; Roumpies, N; Papazoglou, LG; Saridomichelakis, MN; Savvas, I; Leondides, L (J Vet Intern Med, 2006)