RT Journal Article SR Electronic T1 Platelet and endothelial activation are requisites for the development of antiphospholipid syndrome JF Annals of the Rheumatic Diseases JO Ann Rheum Dis FD BMJ Publishing Group Ltd and European League Against Rheumatism SP 600 OP 601 DO 10.1136/ard.2003.010694 VO 63 IS 5 A1 E del Río García A1 C Rodríguez A1 J Rodríguez-Martorell A1 A Serrano A1 J A Girón-González YR 2004 UL http://ard.bmj.com/content/63/5/600.abstract AB