Extracellular matrix modulating enzyme functionalized biomimetic Au nanoplatform-mediated enhanced tumor penetration and synergistic antitumor therapy for pancreatic cancer oleh Xiao-Yan Yang, Jin-Guo Zhang, Qiao-Mei Zhou, Jie-Ni Yu, Yuan-Fei Lu, Xiao-Jie Wang, Jia-Ping Zhou, Xin-Fa Ding, Yong-Zhong Du, Ri-Sheng Yu