But the exact molecular mechanism of PNI was not fully understood.

但胰腺癌神经浸润转移的确切分子机制至今尚不明朗。

youdao

But the exact molecular mechanism of PNI was not fully understood.

但胰腺癌神经浸润转移的确切分子机制至今尚不明朗。

youdao