Journal of Molecular Evolution
Journal of Molecular Evolution > 2009 > 68 > 4 > 366-376
Journal of Molecular Evolution > 2009 > 68 > 6 > 679-687
Journal of Molecular Evolution > 2009 > 68 > 4 > 366-376
Journal of Molecular Evolution > 2009 > 68 > 6 > 679-687