SEARCH Articles Figures Tables Anticoagulant activity assay heparins Anticoagulant activity of heparin derivatives Heparin activated partial thromboplastin time Heparin activity, activated partial thromboplastin Heparin activity, assay curve Heparin anticoagulant activity Heparin biological activity Heparin derivatives anticoagulant activity Heparin derivatives, activated partial Immobilized heparins anticoagulant activity Plasma heparin activity Plasma heparin activity dextran Post-heparin lipolytic activity Structure and biological activity of heparin