Udompornthanakij, P., Kongsomboon, K., & Hanprasertpong, T. (2025). Effect of Face Mask Wearing on Maternal Oxygen Saturation and on Non-stress Test Results. Thai Journal of Obstetrics and Gynaecology, 33(4), 304–314. https://doi.org/10.14456/tjog.2025.30