Intraoperative and early postoperative pain in cats that underwent ovariohysterectomy using a spay hook: a randomised, masked, experimental study. - de Menezes, Mareliza Possa; de Faria, Luís Guilherme; Franco, Guilherme Galhardo; Ido, Cléber Kazuo; Kawamoto, Fernando Yoiti Kitamura; de Souza, João Augusto Leonel; Gomide, Paula Regina Silva; Filgueira, Fabrícia Geovânia Fernandes; Yamada, Diego Iwao; Minto, Bruno Watanabe (BMC Veterinary Research, 2023)