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江西省农业科学院农产品质量安全与标准研究所成果:硒(IV)离子多色可视快速传感技术
硒(IV)离子 多色可视检测 试剂盒
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2023/3/31
Assumptions of IV Methods for Observational Epidemiology
Causal inference instrumental variables Mendelian randomization relative bias structural mean models
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2010/11/8
Instrumental variable (IV) methods are becoming increasingly popular as they seem to offer the only viable way to overcome the problem of unobserved confounding in observational studies. However,some ...