Shuai, Cijun, Yi Nie, Chengde Gao, Haibo Lu, Huanlong Hu, Xuejun Wen, and Shuping Peng. 2012. “Poly (l-Lactide Acid) Improves Complete Nano-Hydroxyapatite Bone Scaffolds through the Microstructure Rearrangement”. Electronic Journal of Biotechnology 15 (6). Valparaíso, Chile. https://www.ejbiotechnology.info/index.php/ejbiotechnology/article/view/v15n6-4.