TY - CONF AU - De Toro Santos, Francisco Javier PY - 2015 SN - 0392-856X UR - http://hdl.handle.net/20.500.11940/2389 LA - eng TI - Thrombotic thrombocytopenic purpura in patients from the Systemic Lupus Erythematosus registry of the Spanish Society of Rheumatology (RELESSER) VL - 33 ER -