叙述性研究和专家评论31篇，占文献总量的32.63%。

The rest 31 papers (32.63% of the total articles) are those of summary and expert comments.

youdao

这些研究大体上关注于结构分明的叙述性散文，然而那些平淡无味的诗是否有类似功效，我们就不清楚了。

These studies have generally looked at structured, narrative prose, however, so it's unclear whether waxing poetic would have similar effects.

youdao

所以那个研究尽管是纯叙述性的，非盲测的，而且无法出版，却非常具有说服力。

So even though that work was anecdotal and not blinded and not publishable, it was very convincing.

youdao