I would think that it's a problem without substantiation in large population studies.

没有大样本的人群研究结果作为支持，研究本身就会产生一些问题。

youdao

I would think that it's a problem without substantiation in large population studies.

没有大样本的人群研究结果作为支持，研究本身就会产生一些问题。

youdao