...oth a necessary and sufficient cause of Y, cell C is always zero and cell B is always zero 病因研究 (etiologic research) 科学假说的建立与辨证 s 假说的建立 :Mill 法则 (1856) “A System of Logic” s 一致法 (method of agreement) s 差异法 (meth...
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病因学研究 Etiological Study
欧洲病理基因研究网络 ERA-NET
鼠疾病基因研究 ENU Mutant Mouse Program
病因及预后研究 Cause and prognoses study
不同职业的死亡率的统计对这些方面的价值较之对于开展新的病因研究的价值更大。
Statistics on occupational mortality have been of greater value in these respects than in initiating the study of new aetiological agents.
尿总亚硝基化合物指标是评价人体亚硝胺接触水平的良好指标，可用于食管癌亚硝胺病因研究。
Urinary TNOC is a better index that is applied to assess the exposure dose of TNOC in humans and study etiology of NOC of esophageal cancer.
目的检测黑龙江省县级市场销售粮食中黄绿青霉素（CIT）污染水平，为克山病病因研究提供新的参考数据。
Objective To investigate citreoviridin(CIT) level in market cereals of Heilongjiang province for new data to the studies on the Keshan disease.
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