title: Assay of platelet factor 4 in plasma.
mesh_terms: D001779:Blood Coagulation Factors / Q000302:isolation & purification*; D001780:Blood Coagulation Tests; D001792:Blood Platelets; D001798:Blood Proteins; D006493:Heparin; D006494:Heparin Antagonists / Q000097:blood*; D006801:Humans; D008722:Methods; D010949:Plasma; D013917:Thrombin
chemical_list: D001779:Blood Coagulation Factors; D001798:Blood Proteins; D006494:Heparin Antagonists; D006493:Heparin; D013917:Thrombin