Pongsritasana, T., K. Seejorn, L. Salung, Y. Chongpensuklert, and S. Sukasem. “Fertilization Rate by Intracytoplasmic Sperm Injection (ICSI) of Human Oocytes”. Srinagarind Medical Journal, vol. 30, no. 5, Oct. 2015, p. 91, https://li01.tci-thaijo.org/index.php/SRIMEDJ/article/view/40250.