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America has a shameful history of using prisoners for medical experiments.

美国有一段利用囚犯做医学实验的不光彩历史。

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The medical experiments showed that the new medicine was not effective against cancer.

医学实验表明新药对癌症无效。

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Readers can better understand how informed consent and the question of morality in medical experiments have changed over time.

VOA: special.2010.07.21

The United States is the only country in the world that still allows federally-funded medical experiments on chimpanzees.

VOA: standard.2010.02.16

He also made NASA history, becoming the first orthopedic surgeon in space, conducting a number of medical experiments.

VOA: standard.2010.02.02

All the animals had been used in medical experiments and were infected with Hepatitis C.

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Her role in the mission will be to run the medical experiments in orbit.

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Mengele decided who would work and who would die and became notorious for his medical experiments on prisoners and his ruthless selection process, according to the United States Holocaust Memorial Museum.

WSJ: Holocaust survivor, liberator meet for first time