Hammerschmid J, Molento CFM. Retrospective analysis of animal abuse in the region of Curitiba, State of Paraná, Southern Brazil, using animal welfare criteria. Braz. J. Vet. Res. Anim. Sci. 2012;49(6):431-441. doi:10.11606/issn.1678-4456.v49i6p431-441