Suwannapab, Uthaiwan, and Saranya Chatpongtada. 2025. “Efficacy of 10% Lidocaine Spray for Relief Postpartum Perineal Wound Pain: A randomized controlled trial”. Thai Journal of Obstetrics and Gynaecology 33 (2). Bangkok, Thailand:126-35. https://doi.org/10.14456/tjog.2025.14.