A method of pancreatic stem cells culture and amplification in vitro 
Kou Ya-l1, Hu Li-xia, Li Qin, Zhao Wen-jing, Chen Wei-ping
Chinese Journal of Tissue Engineering Research . 2011, (10): 1819 -1822 .  DOI: 10.3969/j.issn.1673-8225.2011.10.023