以20名健康志愿者作为正常对照组。

Another 20 healthy volunteers were served as control group.

youdao

同期健康体检者50例作为对照组。

Another 50 healthy subjects were selected as control group.

youdao

另选90例健康体检者作为对照组。

Another 90 healthy subjects were selected as control group.

youdao

选30例查体健康者作为对照组。

Meanwhile, 30 healthy persons were chosen as control group.

youdao

选择健康体检者70例作为正常对照组。

Seventy healthy persons were selected as control group.

youdao

选择健康体检者70例作为正常对照组。

Seventy healthy persons were selected as control group.

youdao