%0 Journal Article %T Foam fractionation for enhancing silica gel adsorption of urokinase from human urine %A Xu, Na %A Wang, Lu %A Dou, Nongxiao %A Zhang, Lili %A Guan, Jing %A Chang, Yunkang %A Li, Rui %J Asia-Pacific Journal of Chemical Engineering %V 14 %N 4 %P n/a-n/a %@ 1932-2135 %D 2019-07-01 %I Wiley Subscription Services, Inc., A Wiley Company %~ DeepDyve