title: Neutralization of heparin in plasma by platelet factor 4 and protamine sulphate.
mesh_terms: D000328:Adult; D001780:Blood Coagulation Tests; D002118:Calcium / Q000494:pharmacology*; D006494:Heparin Antagonists / Q000097:blood*; D006801:Humans; D066298:In Vitro Techniques; D011479:Protamines / Q000494:pharmacology*
chemical_list: D006494:Heparin Antagonists; D011479:Protamines; D002118:Calcium