Although the experiment had no control group, all the patients would have been expected to die without treatment.

虽然实验没有管理团队，但是所有的病人没有治疗将死去。

youdao

For example, it's impossible to implement such a radical diet without kids and their parents realizing they're in the treatment group.

比如，如果小孩和家长没有意识到这是一种治疗手段，这样全新的食疗就不可能产生效果。

youdao

Method: 98 SARS cases were treated with or without corticosteroids, that is, divided into treatment group(57 cases) and control group(41).

方法：将98例SARS患者分为激素治疗组和对照组，激素治疗组57例，对照组41例。

youdao

Although the experiment had no control group, all the patients would have been expected to die without treatment.

ECONOMIST: Gene therapy has been shown to work on cancer

Outside the cluster of cinder block structures that make up Kano's Infectious Diseases Hospital, hundreds of sick children are lined up, awaiting treatment from Doctors Without Borders, the nonprofit group, which has set up a tent on hospital grounds.

FORBES: Magazine Article