Chanprapaph, Pharuhas, Nantivadee Mamuang, and Sanitra Anuwutnavin. 2018. “A Simple and Practical Amniocentesis Model and the Procedure Success Rate After Training”. Siriraj Medical Journal 70 (1):6-11. https://he02.tci-thaijo.org/index.php/sirirajmedj/article/view/114892.