Mechanisms underlying low-clinical responses to PD-1/PD-L1 blocking antibodies in immunotherapy of cancer: a key role of exosomal PD-L1
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* Zi Yin
* Min Yu
* Tingting Ma
* Chuanzhao Zhang
* Shanzhou Huang
* Mohammad Reza Karimzadeh
* Amir Abaas Momtazi-Borojeni
* Sheng Chen