Gussoni, Flávia Renata Araújo, and Paulo Sérgio de Moraes Barros. “Epiphora in the Dog: Measurement of the Tear PH”. Brazilian Journal of Veterinary Research and Animal Science 40, no. 2 (January 1, 2003): 87–94. Accessed May 6, 2024. https://revistas.usp.br/bjvras/article/view/11364.