title: Erroneously low APC ratio in patients with lupus anticoagulant.
authors.forename: M E
authors.initials: ME
authors.lastname: Gschwandtner
authors.forename: K
authors.initials: K
authors.lastname: Lechner
authors.forename: I
authors.initials: I
authors.lastname: Pabinger
mesh_terms: D001779:Blood Coagulation Factors; D005188:False Negative Reactions; D006801:Humans; D016682:Lupus Coagulation Inhibitor / Q000737:chemistry*; D010314:Partial Thromboplastin Time; D011956:Receptors, Cell Surface / Q000032:analysis*
chemical_list: D001779:Blood Coagulation Factors; D016682:Lupus Coagulation Inhibitor; D011956:Receptors, Cell Surface; C091963:activated protein C receptor