Peter M. Kasson Afra Zomorodian Sanghyun Park Nina Singhal Leonidas J. Guibas Vijay S. Pande Persistent voids: a new structural metric for membrane fusion. 1753-1759 2007 23 Bioinformatics 14 http://dx.doi.org/10.1093/bioinformatics/btm250 db/journals/bioinformatics/bioinformatics23.html#KassonZPSGP07