Conserved functional antagonism of CELF and MBNL proteins controls stem cell-specific alternative splicing in planarians oleh Jordi Solana, Manuel Irimia, Salah Ayoub, Marta Rodriguez Orejuela, Vera Zywitza, Marvin Jens, Javier Tapial, Debashish Ray, Quaid Morris, Timothy R Hughes, Benjamin J Blencowe, Nikolaus Rajewsky