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APA Citation
Ferrara, R., Priolo, F., Cammisa, M., Bacarini, L., Cerase, A., Pasero, G., Ferraccioli, G. F., Alberighi, O. D. C., Antonellini, A., & Marubini, E. (1997). clinical trials in rheumatoid arthritis: methodological suggestions for assessing radiographs arising from the GRISAR study. Annals of the rheumatic diseases, 56(10), 608–612. http://access.bl.uk/ark:/81055/vdc_100130163139.0x00005d