ECR Browser: a tool for visualizing and accessing data from comparisons of multiple vertebrate genomes. - Ivan Ovcharenko; Marcelo A. Nobrega; Gabriela G. Loots; Lisa Stubbs (Nucleic Acids Res., 2004)

Identifying synonymous regulatory elements in vertebrate genomes. - Ivan Ovcharenko; Marcelo A. Nobrega (Nucleic Acids Res., 2005)