Intermittent cyclophosphamide in refractory rheumatoid arthritisBr Med J (Clin Res Ed) 1983; 287 doi: http://dx.doi.org/10.1136/bmj.287.6406.1717 (Published 03 December 1983) Cite this as: Br Med J (Clin Res Ed) 1983;287:1717
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