RT Journal Article SR Electronic T1 Anti-thrombopoietin antibodies suppress megakaryocytic colony formation in vitro in patients with systemic lupus erythaematosus JF Annals of the Rheumatic Diseases JO Ann Rheum Dis FD BMJ Publishing Group Ltd and European League Against Rheumatism SP 1643 OP 1644 DO 10.1136/ard.2007.087478 VO 67 IS 11 A1 P D Ziakas A1 H A Papadaki A1 M Psyllaki A1 M Voulgarelis YR 2008 UL http://ard.bmj.com/content/67/11/1643.abstract AB