БОРДЮГОВ, К. С.; БОРДЮГОВА, С. С.; КОТ, В. С. Other methods of determination of ovulation in dogs. Scientific Progress & Innovations, [S. l.], n. 1, p. 116–119, 2013. DOI: 10.31210/visnyk2013.01.31. Disponível em: https://journals.pdau.edu.ua/visnyk/article/view/172. Acesso em: 24 aug. 2025.