%0 Journal Article %T Differentiation of Neural Progenitor Cells in a Microfluidic Chip-Generated Cytokine Gradient %A Park, Joong Yull %A Kim, Suel-Kee %A Woo, Dong-Hun %A Lee, Eun-Joong %A Kim, Jong-Hoon %A Lee, Sang-Hoon %J Stem Cells %V 27 %N 11 %P 2646-2654 %@ 1066-5099 %D 2009-11-01 %I Oxford University Press %~ DeepDyve