Uscategui RAR, Tiosso C, Moro JV, Mostachio GQ, Padilha-Nakaghi LC, Feliciano MAR, Vicente WRR. Pre-emptive methadone or tramadol analgesia for mastectomy and ovariohysterectomy in bitches. Rev. colomb. cienc. pecu. [Internet]. 2017 Jan. 30 [cited 2025 Feb. 12];30(1):39-47. Available from: https://revistas.udea.edu.co/index.php/rccp/article/view/326306