F. Paredes-Catota, E. P. Castillo-Hidalgo, O. V. Almeida-Revelo, and H. D. Vilcacundo-Paredes, “Acute pain and efficacy of Feline Grimace Scale in cats at the Medipet Veterinary Hospital”, Rev. Cient. FCV-LUZ, vol. 32, pp. 1-6, Jun. 2022.