A. A. Camacho and L. Biazzono, “Sinus bradycardia in a collie dog with ivermectin toxicosis”, Braz. J. Vet. Res. Anim. Sci., vol. 32, no. 4, pp. 229–231, Dec. 1995, doi: 10.11606/issn.1678-4456.bjvras.1994.52114.