Global trends of whole-genome duplications revealed by the ciliate Paramecium tetraurelia.
Aury JM, Jaillon O, Duret L, Noel B, Jubin C, Porcel BM, Ségurens B, Daubin V, Anthouard V, Aiach N, et al. Nature. 2006 Nov 9; 444(7116):171-8. Epub 2006 Nov 1.