Roy, Scott W Complex early genes. [electronic resource] - Proceedings of the National Academy of Sciences of the United States of America Feb 2005 - 1986-91 p. digital Publication Type: Journal Article ISSN: 0027-8424 Standard No.: 10.1073/pnas.0408355101 doi Subjects--Topical Terms: AnimalsEukaryotic CellsEvolution, MolecularGenomeHumansIntronsLikelihood FunctionsMathematicsMolecular Sequence DataPhylogeny