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C B Perry
Ann Rheum Dis 1969; 28: 471-476. doi:10.1136/ard.28.5.471
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S M Stewart, W R Alexander, and J J Duthie
Ann Rheum Dis 1969; 28: 477-487. doi:10.1136/ard.28.5.477
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B M Greenwood
Ann Rheum Dis 1969; 28: 488-496. doi:10.1136/ard.28.5.488
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M K Jasani, M Katori, and G P Lewis
Ann Rheum Dis 1969; 28: 497-512. doi:10.1136/ard.28.5.497
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T M Chalmers
Ann Rheum Dis 1969; 28: 513-517. doi:10.1136/ard.28.5.513
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A Beardwell
Ann Rheum Dis 1969; 28: 518-523. doi:10.1136/ard.28.5.518
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S D Nelson, J S Mackay, B Sheridan, and J A Weaver
Ann Rheum Dis 1969; 28: 524-528. doi:10.1136/ard.28.5.524
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F N Ghadially and S Roy
Ann Rheum Dis 1969; 28: 529-536. doi:10.1136/ard.28.5.529
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K Boddy and G Will
Ann Rheum Dis 1969; 28: 537-540. doi:10.1136/ard.28.5.537
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D W Zutshi, B M Ansell, E G Bywaters, W V Epstein, E J Holborow, and C A Reading
Ann Rheum Dis 1969; 28: 541-547. doi:10.1136/ard.28.5.541
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K D Muirden
Ann Rheum Dis 1969; 28: 548-551. doi:10.1136/ard.28.5.548
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