Sumano, H., Valencia, J.A., Viveros, M., Tapia-Pérez, G. and Gutiérrez, L. 2020. Efficacy of an extended-release tilmicosin preparation and tulathromycin in the treatment of bovine respiratory disease. Veterinaria México OA. 7, 4 (Dec. 2020). DOI:https://doi.org/10.22201/fmvz.24486760e.2020.4.787.