Alteration of ADAMTS13 antigen levels in patients with idiopathic thrombotic thrombocytopenic purpura, idiopathic thrombocytopenic purpura and systemic lupus erythematosus - Liu, Fang; Feys, Hendrik B.; Dong, NingZheng; Zhao, Yiming; Ruan, Changgeng (Thrombosis and Haemostasis, 2006)