Su-Lin Lee Paramate Horkaew Ara Darzi Guang-Zhong Yang Statistical Shape Modelling of the Levator Ani with Thickness Variation. 258-265 http://springerlink.metapress.com/openurl.asp?genre=article&issn=0302-9743&volume=3216&spage=258 2004 conf/miccai/2004-1 MICCAI (1) db/conf/miccai/miccai2004-1.html#LeeHDY04