Zuluaga, Angélica M., Alejandro Mira, José L. Sánchez, and José R. Martínez A. 2018. “Frequency of Abnormal and Stereotypic Behaviors in Urban Police Patrolling Horses: A Continuous 48-Hour Study”. Revista Colombiana De Ciencias Pecuarias 31 (1):17-25. https://doi.org/10.17533/udea.rccp.v31n1a03.