Amaral, Helena Arantes do, and Maria Helena Matiko Akao Larsson. 2006. “Study of the Variation in the Serum Concentrations of Phenobarbital in Dogs Exposured to a Long Term Treatment”. Brazilian Journal of Veterinary Research and Animal Science 43 (4): 435-41. https://doi.org/10.11606/issn.1678-4456.bjvras.2006.26457.