Morphine promotes cancer stem cell properties, contributing to chemoresistance in breast cancer
Oncotarget (2015) - Comment
pubmed: 25686831  doi: 10.18632/oncotarget.2894  issn: 1949-2553 

Dong-Ge Niu, Fei Peng, Wei Zhang, Zhong Guan, Hai-Dong Zhao, Jing-Lin Li, Kai-Li Wang, Ting-Ting Li, Yan Zhang, Fei-Meng Zheng, Fan Xu, Qian-Ni Han, Peng Gao, Qing-Ping Wen, Quentin Liu