Michalski, R Neutralization of heparin in plasma by platelet factor 4 and protamine sulphate. [electronic resource] - British journal of haematology Apr 1978 - 561-71 p. digital Publication Type: Journal Article ISSN: 0007-1048 Standard No.: 10.1111/j.1365-2141.1978.tb01081.x doi Subjects--Topical Terms: AdultBlood Coagulation TestsCalcium--pharmacologyHeparin Antagonists--bloodHumansIn Vitro TechniquesProtamines--pharmacology