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相关概念视频

Ethics in Research01:56

Ethics in Research

Today, scientists agree that good research is ethical in nature and is guided by a basic respect for human dignity and safety. However, this has not always been the case. Modern researchers must demonstrate that the research they perform is ethically sound.
What is an Experiment?01:12

What is an Experiment?

An experiment is a planned activity carried out under controlled conditions. The purpose of an experiment is to investigate the relationship between two variables. When one variable causes change in another, we call the first variable the explanatory or independent variable. The affected variable is called the response or dependent variable. In a randomized experiment, the researcher manipulates values of the explanatory variable and measures the resulting changes in the response variable. The...

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A Restriction Enzyme Based Cloning Method to Assess the In vitro Replication Capacity of HIV-1 Subtype C Gag-MJ4 Chimeric Viruses
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责任会阻止艾滋病试验吗?

J Cohen

    Science (New York, N.Y.)
    |July 17, 1992
    PubMed
    概括

    No abstract available in PubMed .

    关键词:
    阿博特实验室公司的实验室.生物医学和行为研究研究.医疗保健和公共卫生法律方法 法律方法美国国家卫生研究院.

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