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APA Citation
Rios Rodriguez, V., Protopopov, M., Proft, F., Lüders, S., Rademacher, J., Haibel, H., Verba, M., Sieper, J., Sonnenberg, E., Schumann, M., Kredel, L. I., Siegmund, B., & Poddubnyy, D. (n.d.). fRI0323 THE PRESENCE OF SPONDYLOARTHRITIS IS ASSOCIATED WITH HIGHER CLINICAL DISEASE ACTIVITY IN PATIENTS WITH EARLY CROHN'S DISEASE: RESULTS OF A PROSPECTIVE COHORT STUDY. Annals of the rheumatic diseases, 79, 753–754. http://access.bl.uk/ark:/81055/vdc_100144731044.0x000047