Protamine neutralization of intravenous and subcutaneous low-molecular-weight heparin (tinzaparin, Logiparin): An experimental investigation in healthy volunteers. - Holst,J.; Lindblad,B.; Bergqvist,D.; Garre,K.; Nielsen,H.; Hedner,U.; Ostergaard,P.B. (Blood Coagul Fibrinolysis, 1994)