Endotoxin detection in multi-enzyme cleaner after cleaning implantation instruments of orthopedics 
Li Xiao-yan, Yu Ni, Jiang Li-hua, Wei Bing, Ding Shu-zhen
Chinese Journal of Tissue Engineering Research . 2010, (22): 4165 -4167 .  DOI: 10.3969/j.issn.1673-8225.2010.22.043