@Article{IPB-1558, author = {Flores, R. and Delgado, S. and Gas, M.E. and Carbonell, A. and Molina, D. and Gago, S. and de la Peña, M.}, title = {{Viroids: the minimal non-coding RNA's with autonomous replication}}, year = {2004}, pages = {42-48}, journal = {FEBS Letters}, volume = {567}, }