Pongsritasana, Thanida, Kanok Seejoin, Supat Sinawat, Punnee kukiattikool, Piangjit Tharnprisan, Udom ngoksin, and Sompong tongpha. 2013. “In vitro fertilization of human oocytes in Srinagarind hospital”. Srinagarind Medical Journal 21 (3):220-27. https://li01.tci-thaijo.org/index.php/SRIMEDJ/article/view/13221.