A novel vascular endothelial factor, VEGF-C, is a ligand for the Flt4 (VEGFR-3) and KDR (VEGFR-2) receptor tyrosine kinases - Joukov, V; Pajusola, K; Kaipainen, A; Chilov, D; Lahtinen, I; Kukk, E; Saksela, O; Kalkkinen, N; Alitalo, K (EMBO J, 1996)