@article {1340459, title = {An Axisymmetric Flow-Focusing Microfluidic Device}, journal = {Advanced Materials}, volume = {17}, year = {2005}, note = {908}, month = {10/21/04}, pages = {1067-1072}, keywords = {accepted 12/16/04, adma.200401738}, author = {Takeuchi, S. and Garstecki, P. and Weibel, D. B. and Whitesides, G. M.} }