1. Department of Physiology and Biophysics, Faculty of Medicine, University of Chile, Casilla 70005, Correo 7, Santiago, ChileSpringer-VerlagJournal of Comparative PhysiologyPenna M, Palazzi C, Paolinelli P, Solis R (1990) Midbrain auditory sensitivity in toads of the genus Bufo (Amphibia-...