Long, Su, and Tran Hang. “Application of Ultrasound Method for Diagnosis of Canine Pyometritis in Hanoi and ItsTreatment”. Vietnam Journal of Agricultural Sciences 13, no. 1 (August 6, 2024): 23–30. Accessed September 20, 2024. http://testtapchi.vnua.edu.vn/index.php/vjasvn/article/view/1504.