指示有八十名过敏性结肠综合征病人每日得到两颗糖丸。

Eighty patients with irritable bowel syndrome were instructed to take two sugar pills daily.

youdao

指示有八十名过敏性结肠综合征病人每日得到两颗糖丸。

Eighty patients with irritable bowel syndrome were instructed to take two sugar pills daily.

youdao