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follow up in cohort study
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follow up in cohort study
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医学
随访
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follow up in cohort study
随访
通过定期或者不定期的访问、检查等确定研究对象是否仍在队列中,收集研究对象的资料,评估暴露状态及可能的混杂因素,获取结局事件发生情况的方法。
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System of Mixed Court
system of national accounts
system of natural deduction
system of natural derivations
system of natural inference
system of neighborhoods
system of non-homogeneous linear equations
system of notation
system of numbers
system of numeration
system of oblique coordinates
system of official costume
system of one-time payment
system of open administrationa of villager affairs
system of ordinary differential equations
system of orthogonal coordinates
system of orthogonal functions
system of orthogonal polynomials
system of orthonormal functions
system of orthonormal polynomials
system of ownership of the means of production
system of paid use of natural resources
system of parabolic equations
system of parabolic equations; parabolic system
system of parabolic partial differential equations
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