Toniollo, Gilson Hélio, Simone Regina Cury, Wilter Ricardo Russiano Vicente, Aparecido Antônio Camacho, Joaquim Mansano Garcia, and Roberta Vantini. “Colpocytology of Estrous Cycle in Cat”. Brazilian Journal of Veterinary Research and Animal Science 32, no. 2 (June 2, 1995): 125-129. Accessed August 13, 2022. https://www.revistas.usp.br/bjvras/article/view/52100.