Fabrication and properties of nano-hydroxyapatite/poly(3-hydroxybutyrate) ultrafine-fibrous scaffolds for bone tissue engineering  
Guan Dong-hua, Lin Ying-he, Huang Jian-sheng, Chen Zhi-qing
Chinese Journal of Tissue Engineering Research . 2015, (25): 3983 -3989 .  DOI: 10.3969/j.issn.2095-4344.2015.25.010