This produces the bleeding that allows detection through a guaiac test.

这会引起出血，可以通过愈创木脂检测法检查出来。

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You should send it to do black stool occult blood test, such as occult blood positive, that upper gastrointestinal bleeding, it should be consistent with a water wash corrosive link.

你应该送黑便做大便隐血试验，如隐血阳性，说明上消化道出血，那就应与洗甲水的腐蚀性联系起来。

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The mechanism of normal hemostasis and coagulation, the classification, bleeding characteristics, laboratory diagnosis (screening test and confirmation test) and treatments of hemorrhagic disease;

正常止血和凝血机理、出血性疾病的分类、出血特点、实验室诊断（筛选试验及确诊试验）及治疗；

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There is no screening test for it either, but most women are diagnosed early because of postmenopausal bleeding.

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Cervical polyps are typically removed only if they are large, causing irregular bleeding, or if there is an abnormal Pap smear or a persistently positive HPV (human papillomavirus) test.

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