da Veiga, Cristiano Chaves Pessoa, Bruno Gonçalves de Souza, and Suzana Limeria Vieira. 2013. “Ultrasound Prenatal and Radiology Evaluations in the Diagnosis of Anencephaly in Dog - Case Report”. Brazilian Journal of Veterinary Medicine 35 (2):101-4. https://bjvm.org.br/BJVM/article/view/596.