Srisuwatanasagul, Sayamon, Kongkiat Srisuwatanasagul, and Sudson Sirivaidyapong. 2015. “Progesterone Receptors and Proliferation in the Bitch Uterus during Different Stages of the Oestrous Cycle”. The Thai Journal of Veterinary Medicine 36 (3):46-54. https://he01.tci-thaijo.org/index.php/tjvm/article/view/36271.