<style face="normal" font="default" size="100%">5-Aminosalicylates, sulfasalazine, steroid use, and complications in patients with ulcerative colitis</style>

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31<style face="normal" font="default" size="100%">5-Aminosalicylates, sulfasalazine, steroid use, and complications in patients with ulcerative colitis</style><style face="normal" font="default" size="100%">5-Aminosalicylates, sulfasalazine, steroid use, and complications in patients with ulcerative colitis</style>