Cardoso, João Felipe Rito, and Marcelo Guilherme Bezerra Levy. “Pathological and Immunohistochemical Diagnosis of an Intestinal Leiomyosarcoma in a Zebra Finch”. Brazilian Journal of Veterinary Pathology, vol. 7, no. 2, July 2014, pp. 89-92, https://bjvp.org.br/bjvp/article/view/174.