Hung, N., Buoi, B., Ky Duyen, N., Ngoc, T., Phuoc, L., Kien Quoc, L., & Son, L. 2026 Apr 5. Assessment of Dysmenorrhea Symptoms Using the Cox Retrospective Symptom Scale and Knowledge of Traditional Medicine in the Management of Dysmenorrhea among Women Aged Over 18 and of Reproductive Age. VNU Journal of Science: Medical and Pharmaceutical Sciences. [Online] :