Protein Clustering and RNA Phylogenetic Reconstruction of the Influenza a Virus NS1 Protein Allow an Update in Classification and Identification of Motif Conservation - Sevilla-Reyes, Edgar E.; Chavaro-Pérez, David A.; Piten-Isidro, Elvira; Gutiérrez-González, Luis H.; Santos-Mendoza, Teresa (PLoS ONE, 2013)