Raimundo Sierra Michael Bajka Gábor Székely Pathology Growth Model Based on Particles. 25-32 http://springerlink.metapress.com/openurl.asp?genre=article&issn=0302-9743&volume=2878&spage=25 2003 conf/miccai/2003-1 MICCAI (1) db/conf/miccai/miccai2003-1.html#SierraBS03