Hypercoagulability and hypofibrinolysis and risk of deep vein thrombosis and splanchnic vein thrombosis: similarities and differences - Smalberg, J H; Kruip, M J; Janssen, H L; Rijken, D C; Leebeek, F W; de Maat, M P (Arterioscler Thromb Vasc Biol, 2011)