Pontaema, T., P. Malaleuang, S. Yodmongkol, and P. Charoensiri. “Preliminary study of mare’s vulvar angle using a mobile application to assess the initial vulvar conformation”. Journal of Mahanakorn Veterinary Medicine, vol. 20, no. 1, June 2025, pp. 16-23, https://li01.tci-thaijo.org/index.php/jmvm/article/view/265307.