All subjects underwent lactose hydrogen breath test.
所有研究对象均行乳糖氢呼气试验检查。
参考来源 - 杭州市区人群主观乳糖不耐受流行病学调查及乳糖酶基因多态性研究Methods Children with abdominal pain and their parents were detected in the way of serology and 13 C -urea breath test (UBT).
方法 应用血清学及13 C -尿素呼吸试验 (13 C -ureabreathtest,13 C -UBT)测定反复腹痛儿童及父母的HP感染情况。
参考来源 - 应用血清学及~(13)C·2,447,543篇论文数据，部分数据来源于NoteExpress
N-COUNT A breath test is a test carried out by police in which a driver blows into a piece of equipment to show how much alcohol he or she has drunk. 吹气酒精测试
Police will conduct random breath tests.
警察会随机进行吹气酒精测试。
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