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前瞻性研究
释义
前瞻性研究
Encyclopedia
医学
〔医学心理学绪论〕
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prospective study
前瞻性研究
按照研究对象是否暴露于某因素或暴露于某因素的不同水平,将其分为暴露组和非暴露组,然后随访一定时间,观察和比较这两组的发病率或死亡率,以检验该暴露因素与疾病发生有无联系的假设是否成立的研究方法。是分析流行病学研究中重要方法之一,又称队列研究(cohort study)、发生率研究(incidence study)、随访研究(follow-up study)及纵向研究(longitudinal study)。
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then and only then
The Nanke Dream
the Nanping Poets'Club
the Nanyuan Poets’Club
the narrative structure of repetition for three times
The Narrow Road to the Interior
The nation
The National 12th Five-year Strategic Plan for Public Library Development
The National 13th Five-year Strategic Plan for Public Library Development
The National 9/11 Memorial & Museum
The National Advisory Committee of Higher Grassland Science Education in Ministry of Education
The national anti Japanese War magazine
The National Archives of Scotland
The National Art Center, Tokyo
the National Association of Social Workers Code of Ethics
The National Astronomical Observatories of the Chinese Academy of Sciences
The National Building Museum,USA
The National College Entrance Examination
The National Committee for Pig Production of Danmark
The National Development and Reform Commission
The National Doctrine of Education in the Russian Federation
The National Education Comprehensive Reform Pilot Area
The National Emergency Preplans for Forest Fires
The National Film and Sound Archive of Australia
The National Film and Television School(NFTS)
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