这项研究是在由42,000个美国妇女做成的一个广泛性的长达两年的监护上进行的，这些妇女同时也是护理健康研究的一部分。

The findings are based on comprehensive two yearly monitoring of more than 42,000 women in the United States, who were part of the Nurses Health Study.

youdao

这项研究是在由42,000个美国妇女做成的一个广泛性的长达两年的监护上进行的，这些妇女同时也是护理健康研究的一部分。

The findings are based on comprehensive two yearly monitoring of more than 42,000 women in the United States, who were part of the Nurses Health Study.

youdao