Rodratn, N., J. Shotivaranon, T. Chareonsirisuthigul, P. Panburana, and B. Rerkamnuaychoke. “The Use of Quantitative Fluorescence PCR for Common Aneuploidy Detection in Prenatal Diagnosis”. Ramathibodi Medical Journal, vol. 37, no. 3, Sept. 2014, pp. 111-7, https://he02.tci-thaijo.org/index.php/ramajournal/article/view/97454.