title: Partial purification and some properties of a plasma inhibitor of activated plasma thromboplastin antecedent (factor XI).
mesh_terms: D000818:Animals; D002499:Centrifugation, Density Gradient; D002852:Chromatography, Ion Exchange; D003165:Complement System Proteins; D004589:Electrophoresis, Disc; D004950:Esterases; D005172:Factor XI / Q000037:antagonists & inhibitors*; D006801:Humans; D007106:Immune Sera; D007122:Immunoelectrophoresis; D008722:Methods; D008970:Molecular Weight; D011817:Rabbits / Q000276:immunology; D013696:Temperature; D013997:Time Factors
chemical_list: D007106:Immune Sera; D003165:Complement System Proteins; D005172:Factor XI; D004950:Esterases