A comparison of BMP2 delivery by coacervate and gene therapy for promoting human muscle-derived stem cell-mediated articular cartilage repair - Xueqin Gao; Haizi Cheng; Hassan Awada; Ying Tang; Sarah Amra; Aiping Lu; Xuying Sun; Guijin Lv; Charles Huard; Bing Wang; Xiaohong Bi; Yadong Wang; et al. (Stem Cell Research & Therapy, 2019)