Preparation methods and in vitro release of Resina Draconis-loaded biodegradable polymeric hollow nanoparticles  
 
Wang Xue-ming, Xing Chang-min, Li Nan
Chinese Journal of Tissue Engineering Research . 2014, (52): 8438 -8442 .  DOI: 10.3969/j.issn.2095-4344.2014.52.014