Chumnandee, Chatree, Sivilai Sirimungkararat, Weerasak Saksirirat, and Karintorn Srijankam. 2017. “Effects of Polyvinyl Alcohol on Vitrification of Mature and Immature Bovine Oocytes”. Asia-Pacific Journal of Science and Technology 22 (4):APST-22. https://doi.org/10.14456/apst.2017.33.