Chawanpaiboon, Saifon, Chanchai Vantanasiri, Vitaya Titapant, Sujin Kanokongsakdi, Chayawa Phatihattakorn, Siripong Sawasdimongkol, and Charuwan Kangkagate. 2006. “Reference Centile Chart for Transverse Cerebellar Diameter (TCD) in Thai Fetuses Throughout Gestation”. Siriraj Medical Journal 58 (9):1010-12. https://he02.tci-thaijo.org/index.php/sirirajmedj/article/view/245928.