Gallatti, Luciana Bastos, and Masao Iwasaki. “Comparison of Ultrasonography and Positive Contrast Cystography for Detection of Urinary Bladder Disorders in Dogs”. Brazilian Journal of Veterinary Research and Animal Science 41, no. 1 (February 1, 2004): 40–46. Accessed June 20, 2024. https://www.revistas.usp.br/bjvras/article/view/6256.