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J. J. de Blécourt, A. Polman, T. de Blécourt-Meindersma, T. J. D. Erlee, and E. F. Drion
Ann Rheum Dis 1961; 20: 215-223. doi:10.1136/ard.20.3.215
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J. T. Scott, D. O. Hourihane, F. H. Doyle, R. E. Steiner, J. W. Laws, A. St. J. Dixon, and E. G. L. Bywaters
Ann Rheum Dis 1961; 20: 224-234. doi:10.1136/ard.20.3.224
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J. Ball and J. S. Lawrence
Ann Rheum Dis 1961; 20: 235-243. doi:10.1136/ard.20.3.235
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J. L. Kalliomäki, N. T. Kärki, H. A. Saarimaa, and E. Tala
Ann Rheum Dis 1961; 20: 244-246. doi:10.1136/ard.20.3.244
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A. St. J. Dixon and E. Lience
Ann Rheum Dis 1961; 20: 247-257. doi:10.1136/ard.20.3.247
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D. L. Gardner and L. M. H. Roy
Ann Rheum Dis 1961; 20: 258-264. doi:10.1136/ard.20.3.258
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Stefan Mackiewicz and Wladyslaw Fenrych
Ann Rheum Dis 1961; 20: 265-273. doi:10.1136/ard.20.3.265
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Jack Zuckner
Ann Rheum Dis 1961; 20: 274-280. doi:10.1136/ard.20.3.274
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F. Van Soeren
Ann Rheum Dis 1961; 20: 281-288. doi:10.1136/ard.20.3.281
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G. A. Rose
Ann Rheum Dis 1961; 20: 289-292. doi:10.1136/ard.20.3.289
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Ann Rheum Dis 1961; 20: 294-295. doi:10.1136/ard.20.3.294
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Ann Rheum Dis 1961; 20: 295-297. doi:10.1136/ard.20.3.295
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Ann Rheum Dis 1961; 20: 299-314. doi:10.1136/ard.20.3.299
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