P. Tangwiwat, T. Tuangrattananon, W. Limchumroon, B. Ingthom, C. Topothai, and T. Topothai, “Severity and Associated Factors of COVID-19 Infection among Pregnant and Postpartum Women: A Cross-Sectional Study in Thailand”, J Health Syst Res, vol. 18, no. 2, pp. 251–63, Jun. 2024.