Ratanasiri, T., Komwilaisak, R., Temtanakitpaisan, T., Luengwattanawanit, S., Prasertcharoensuk, W., Saksiriwuttho, P. and Wongkam, J. (2012) “Second Trimester Genetic Amniocentesis: Khon Kaen University 14-year experience”, Thai Journal of Obstetrics and Gynaecology. Bangkok, Thailand, 19(3), pp. 105–111. available at: https://he02.tci-thaijo.org/index.php/tjog/article/view/1240 (accessed: 28 September 2026).