Functionalized nanoscale micelles improve drug delivery for cancer therapy in vitro and in vivo - Tuo Wei; Juan Liu; Huili Ma; Qiang Cheng; Yuanyu Huang; Jing Zhao; Shuaidong Huo; Xiangdong Xue; Zicai Liang; Xing-Jie Liang (Nano Letters, 2013)