The evolutionary landscape of alternative splicing in vertebrate species. by Barbosa-Morais, N, Irimia, M, Pan, Q, Xiong, H, Gueroussov, S, Lee, L, Slobodeniuc, V, Kutter, C, Watt, S, Colak, R, Kim, T, Misquitta-Ali, C, Wilson, MD, Kim, P, Odom, D, Frey, B, Blencowe, B