Journal of Molecular Evolution
Journal of Molecular Evolution > 2003 > 57 > 1 > 63-72
Journal of Molecular Evolution > 2003 > 57 > 6 > 623-635
Journal of Molecular Evolution > 2003 > 57 > 1 > 63-72
Journal of Molecular Evolution > 2003 > 57 > 6 > 623-635