Computed tomography (CT) colonography, colonoscopy, or barium enema for diagnosis of colorectal cancer in older symptomatic patients
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官方服务：
资源简介：
See http://cancerhelp.cancerresearchuk.org/trials/a-trial-looking-at-a-new-test-to-help-diagnose-older-people-with-symptoms-of-bowel-cancer
创建时间：
2004-02-15
