RT Journal Article SR Electronic T1 Amyloidosis in Ankylosing Spondylitis JF Annals of the Rheumatic Diseases JO Ann Rheum Dis FD BMJ Publishing Group Ltd and European League Against Rheumatism SP 336 OP 341 DO 10.1136/ard.22.5.336 VO 22 IS 5 A1 Ennevaara, Kai A1 Oka, Martti YR 1963 UL http://ard.bmj.com/content/22/5/336.abstract AB