Udomsup, J. (2021) “Trends in Neonatal Mortality at Chaiyaphum Hospital , 2012-2019”, Srinagarind Medical Journal, 36(4), pp. 416–424. available at: https://li01.tci-thaijo.org/index.php/SRIMEDJ/article/view/251814 (accessed: 5 October 2026).