Prasunnakarn, S. (2013) “Perinatal Mortality in Udonthani Provine in 1996”, Srinagarind Medical Journal, 12(2), pp. 56–63. Available at: https://li01.tci-thaijo.org/index.php/SRIMEDJ/article/view/13983 (Accessed: 5 May 2024).