方法：本研究为病例对照关联研究，包括245例溃疡性结肠炎患者和300例健康对照，全部为中国汉族人群。
METHODS: 245 UC patients and 300 healthy controls of Chinese Han descent were included in the case-control study.
方法：165例溃疡性结肠炎患者随机分为治疗组和对照组，分别给予复方甘草酸苷和柳氮磺胺吡啶治疗，比较两组的临床疗效。
METHODS: 165cases of ulcerative colitis were divided into two groups: trial group (compound glycyrrhizin) and control group (sulfasalazine). The clinical effects were compared between two groups.
方法对16例确诊为重症非特异性溃疡性结肠炎伴有严重并发症的患者施行外科手术治疗。
Method 16 patients of medical treatment by null and take in surgical intervention treatment with nonspecific ulcerative colitis.
病人与方法：本研究为前瞻性随机交叉试验研究。42例长期溃疡性结肠炎患者纳入。
Patients and METHODS: This was a prospective, randomized, crossover study of 42 patients with longstanding ulcerative colitis.
病人与方法：本研究为前瞻性随机交叉试验研究。42例长期溃疡性结肠炎患者纳入。
Patients and METHODS: This was a prospective, randomized, crossover study of 42 patients with longstanding ulcerative colitis.
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