Because if we don't do them, then every child becomes an uncontrolled experiment of one.

An observer of an uncontrolled experiment (or process) records potential factors and the data output: the goal is to determine the effects of the factors.

"The train has left the station," Dr. Arab said, noting that Americans were already engaged in a vast, uncontrolled experiment.

As a result, medical experts say, men taking the drug are participating in a vast, uncontrolled medical experiment.

In Russian, he added: "You know well that we do not allow uncontrolled experiments."

"He says they don't allow uncontrolled experiments in Russia," Foss translated.

"The Gulf is an uncontrolled experiment."

Dr. Kessler said the patients were largely unaware that they were essentially subjects in a large, uncontrolled experiment.

For more than 40 years, the evidence of dangers has accumulated, but the uncontrolled experiments on women have continued.

In this controlled, blinded follow-up of Sugiura's initial uncontrolled experiment, laetrile showed no more activity than placebo.