N. Cetthakrikul, B. Ngamvirojcharoen, N. Manaboriboon, S. Wongsuwanphon, and R. Suphanchaimat, “Obstetric Service Utilization in Public Health Facilities during COVID-19 Pandemic among Cross-border Migrants in Thailand, 2019–2022”, OSIR, vol. 18, no. 2, pp. 106–115, Jun. 2025.