Effects of different organic solvents on slow-release recombinant human bone morphogenetic protein-2 microcapsules 
Li Xia-lin, Yi Wei-hong, Jin An-min, Min Shao-xiong
Chinese Journal of Tissue Engineering Research . 2015, (21): 3317 -3322 .  DOI: 10.3969/j.issn.2095-4344.2015.21.007