Domingos de Melo, Kleyton, et al. “Evaluation of Transsurgical Stress in Bitches Submitted to Ovariosalpingohisterectomy under Infusions of Fentanyl, Lidocaine, and Ketamine, Associated or Not With Dexmedetomidine”. Brazilian Journal of Veterinary Medicine, vol. 42, no. 1, May 2021, p. e105320, doi:10.29374/2527-2179.bjvm105320.