WONG, MWN, and WWK TO. “Experience of Back Pain Symptoms and the Choice of Epidural Analgesia in Labour: A Patient Questionnaire Survey”. Hong Kong Journal of Gynaecology, Obstetrics and Midwifery 7, no. 1 (March 31, 2023). Accessed November 24, 2024. https://hkjgom.org/home/article/view/70.