Resistance to activated protein C (APCR) in children with venous or arterial thromboembolism - Nowak-Göttl, U; Koch, HG; Aschka, I; Kohlhase, B; Vielhaber, H; Kurlemann, G; Oleszcuk-Raschke, K; Kehl, HG; Jürgens, H; Schneppenheim, R (Br J Haematol, 1996)