美国和全球各地区指南都对一级预防和二级预防临床试验做了很好的分析和总结。

There are guidelines both in the US and in other areas of the world where the clinical trials for primary prevention and secondary prevention have been well analyzed and well considered.

youdao

美国和全球各地区指南都对一级预防和二级预防临床试验做了很好的分析和总结。

There are guidelines both in the US and in other areas of the world where the clinical trials for primary prevention and secondary prevention have been well analyzed and well considered.

youdao