Sevoflurane sparing effect of morphine in tegus (Salvator merianae): a preliminary study - Carregaro, Adriano Bonfim; Bressan, Thais Feres; Xavier, Nathalia Villaça; Silva, André Nicolai Elias da; Justo, André Augusto; Myiashiro, Vitor Yuji; Sanches, Mariana Cardoso (Topics in Companion Animal Medicine, 2022)