A modified electrospun polylactic acid/collagen scaffold for ureteral tissue engineering reconstruction in vitro 
Xu Yong-de, Fu Wei-jun, Shi Jian-guo, Tan Hai-song, Zhang Xu
Chinese Journal of Tissue Engineering Research . 2012, (12): 2095 -2098 .  DOI: 10.3969/j.issn.1673-8225.2012.12.002