Tangwiwat, P., Tuangrattananon, T., Limchumroon, W., Ingthom, B., Topothai, C. and Topothai, T. (2024) “Severity and Associated Factors of COVID-19 Infection among Pregnant and Postpartum Women: A Cross-Sectional Study in Thailand”, Journal of Health Systems Research. Nonthaburi, Thailand, 18(2), pp. 251–63. available at: https://he04.tci-thaijo.org/index.php/j_hsr/article/view/1478 (accessed: 3 April 2025).