RT Journal Article SR Electronic T1 Necrosis of the femoral head in rheumatoid arthritis. JF Annals of the Rheumatic Diseases JO Ann Rheum Dis FD BMJ Publishing Group Ltd and European League Against Rheumatism SP 191 DO 10.1136/ard.29.2.191-b VO 29 IS 2 A1 Glick, E N YR 1970 UL http://ard.bmj.com/content/29/2/191.2.abstract AB