Manaying, P., chotboon, C., Rangsiyaphornratana, U., Songthamwat, S., Summart, U. and Songthamwat, M. 2025. Effects of Local Lidocaine Spray with Intravenous Meperidine for Pain Relief during Manual Vacuum Aspiration: A double-blinded placebo controlled trial. Thai Journal of Obstetrics and Gynaecology. 33, 4 (Jul. 2025), 326–335. DOI:https://doi.org/10.14456/tjog.2025.32.