RT Journal Article SR Electronic T1 Ultrastructural studies of pyrophosphate crystal deposition in articular cartilage JF Annals of the Rheumatic Diseases JO Ann Rheum Dis FD BMJ Publishing Group Ltd and European League Against Rheumatism SP 97 OP 98 DO 10.1136/ard.42.Suppl_1.97 VO 42 IS Suppl 1 A1 S. Y. Ali A1 S. Griffiths A1 M. T. Bayliss A1 P. A. Dieppe YR 1983 UL http://ard.bmj.com/content/42/Suppl_1/97.abstract AB