When the regulations for protection of human subjects were first published, most clinical research was conducted at a single institution.

在刚开始出现对受试者进行保护的法规时，临床试验大多只在一家中心进行。

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The egregious Tuskegee experiments were influential in prompting Congress to pass the National Research Act of 1974 creating a commission to develop principles for protection of human subjects in scientific experimentation.

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In January, Senator John Glenn who, as a former astronaut, has some experience of being experimented on introduced a bill for the protection of human subjects in research, suggesting that he at least does not think that current protections are sufficient.

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According to the deposition of the official in charge of human subjects protection, the university never even investigated the suicide, much less the ethics of the troubled study, which has been subjected to withering criticism.

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