Release and effect of growth factors conjugated into collagen patches on human bone marrow mesenchymal stem cell proliferation and differentiation   
Chuai Jun-bo, Kang Kai, Sun Lu, Qu Hui, Cai Jun, Chen Ke-gong, Xie Bao-dong, Jiang Shu-lin, Tian Hai, Li Ren-ke
Chinese Journal of Tissue Engineering Research . 2014, (52): 8474 -8479 .  DOI: 10.3969/j.issn.2095-4344.2014.52.020