Orthologous references

Lee, Y., R. Sultana, et al. (2002). “Cross-Referencing Eukaryotic
Genomes: TIGR Orthologous Gene Alignments (TOGA).” Genome Res. 12(3):

Mushegian, A. R., J. R. Garey, et al. (1998). “Large-Scale Taxonomic
Profiling of Eukaryotic Model Organisms: A Comparison of Orthologous
Proteins Encoded by the Human, Fly, Nematode, and Yeast Genomes.”
Res. 8(6): 590-598.

Ouyang, M., J. Case, et al. (2003). “Five Hundred Sixty-Five Triples of
Chicken, Human, and Mouse Candidate Orthologs.” Journal of Molcular
Evolution 57(3): 271-281.