CALCANTE, A.; TANGORRA, F. M. Measuring oxygen saturation and pulse rate in dairy cows before and after machine milking using a low-cost pulse oximeter. Journal of Agricultural Engineering, [S. l.], v. 52, n. 2, 2021. DOI: 10.4081/jae.2021.1155. Disponível em: https://www.agroengineering.org/jae/article/view/1155. Acesso em: 16 apr. 2024.