Swallow, Adam. “In Bitches Diagnosed With Pyometra, Is Medical Therapy Using Antibiosis Alone As Effective As Combining Ovariohysterectomy With Antibiosis in Reducing Morbidity and Mortality?”. Veterinary Evidence 1, no. 1 (February 15, 2016). Accessed July 9, 2020. https://www.veterinaryevidence.org/index.php/ve/article/view/16.