Somrup, L., Warit, K., Mektrirat, R., Ampasavate, C., & Thitaram, N. (2018). Tramadol level in colostrum of bitch receiving intravenous tramadol after cesarean section. Veterinary Integrative Sciences, 16(1), 17–25. Retrieved from https://he02.tci-thaijo.org/index.php/vis/article/view/123250