Uthaiwan Suwannapab และ Saranya Chatpongtada. (2025) Efficacy of 10% Lidocaine Spray for Relief Postpartum Perineal Wound Pain: A randomized controlled trial. <i>Thai Journal of Obstetrics and Gynaecology</i>, <i>33</i>(2), 126-135.Uthaiwan Suwannapab และ Saranya Chatpongtada. "Efficacy of 10% Lidocaine Spray for Relief Postpartum Perineal Wound Pain: A randomized controlled trial". Thai Journal of Obstetrics and Gynaecology 33 (2025):126-135.Uthaiwan Suwannapab และ Saranya Chatpongtada. Efficacy of 10% Lidocaine Spray for Relief Postpartum Perineal Wound Pain: A randomized controlled trial. PIMDEE Co. Ltd.:ม.ป.ท. 2025.