title: Comparison of activated partial thromboplastin reagents.
mesh_terms: D001780:Blood Coagulation Tests; D005164:Factor IX / Q000032:analysis; D005169:Factor VIII / Q000032:analysis; D006801:Humans; D007202:Indicators and Reagents / Q000592:standards*; D013925:Thromboplastin / Q000592:standards*
chemical_list: D007202:Indicators and Reagents; D005169:Factor VIII; D005164:Factor IX; D013925:Thromboplastin