%0 Journal Article %A Gan, Y. %A Chen, Z. %A Montgomery-Smith, S. %D 2011 %J Computer Modeling in Engineering \& Sciences %@ 1526-1506 %V 73 %N 1 %P 45--76 %T Improved Material Point Method for Simulating the Zona Failure Response in Piezo-Assisted Intracytoplasmic Sperm Injection %M doi:10.3970/cmes.2011.073.045 %U http://www.techscience.com/CMES/v73n1/25660