Muscarinic and 'alfa IND.1' adrenergic mechanisms contribute to the spinal mediation of stimulation-induced antinociception from the pedunculopontine tegmental nucleus in the rat - Dias, Quintino M.; Crespilho, Simone F.; Silveira, João Walter S.; Prado, William Alves do (Pharmacology, Biochemistry and Behavior, 2009)