过去一年内，是否曾接受过大便隐血测试或大便免疫化学测试？

Within the last year, have you had a fecal occult blood test (FOBT) or a fecal immunochemical test (FIT)?

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方法用邻联甲苯胺和便隐血胶体金检测试纸分别检测200例粪标本进行对照实验并分析。

Methods To detect the sed occult blood of 200 specimens with both ortho-tolidine method and immunogold method. then analyse the results.

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