Chaiya, Jirattikan. “Comparative Study of Sperm Cryopreservation Between Solid Surface Vitrification and Vapor Freezing Technique”. Thammasat University Hospital Journal Online 1, no. 2 (August 31, 2016): 14–24. Accessed May 18, 2024. https://he02.tci-thaijo.org/index.php/TUHJ/article/view/240191.