Which Glycosaminoglycans Are Suitable for Antithrombogenic or Athrombogenic Coatings of Biomaterials? Part I: Basic Concepts of Immobilized GAGs on Partially Cationized Cellulose Membrane - Baumann, Hanno; Mueller, Udo; Keller, Ruprecht (Seminars in Thrombosis and Hemostasis, 1997)