@article { ki-young09, title = {Formation of Uniform Microspheres Using a Perforated Silicon Membrane: A Preliminary Study}, journal = {ASME Journal of Medical Devices}, volume = {3}, number = {3}, year = {2009}, pages = {034503}, type = {article}, author = { Song, K.-Y. and Chiao, M. and Stoeber, B. and Hafeli, U. and Gupta, M. M. and Zhang, W. J. } }