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APA Citation
Kuenzig, E., Sadatsafavi, M., Avina-Zubieta, A., Burne, R., Abrahamowicz, M., Beauchamp, M., Kaplan, G. G., & Benchimol, E. I. (n.d.). a37 ASTHMA IS NOT ASSOCIATED WITH THE NEED FOR SURGERY IN CROHN'S DISEASE WHEN CONTROLLING FOR SMOKING STATUS: A POPULATION-BASED COHORT STUDY. Journal of the Canadian Association of Gastroenterology, 1, 63. http://access.bl.uk/ark:/81055/vdc_100095505146.0x000001