Jan Rexilius Horst K. Hahn Holger Bourquain Heinz-Otto Peitgen Ground Truth in MS Lesion Volumetry - A Phantom Study. 546-553 http://springerlink.metapress.com/openurl.asp?genre=article&issn=0302-9743&volume=2879&spage=546 2003 conf/miccai/2003-2 MICCAI (2) db/conf/miccai/miccai2003-2.html#RexiliusHBP03