Weak allergenicity of recombinant hirudin CGP 39 393 (™REVASC) in immunocompetent volunteers - Close, P; Bichler, J; Kerry, R; Ekman, S; Bueller, H R; Kienast, J; Marbet, G A; Schramm, W; Verstraete, M (Coronary Artery Disease, 1994)