Hengphrathani, Chirocha, and Siraya Kitiyodom. 2025. “Efficacy of Vitamin D on Vulvovaginal Atrophy in Menopausal Women: A randomized controlled trial”. Thai Journal of Obstetrics and Gynaecology 33 (2). Bangkok, Thailand:136-47. https://doi.org/10.14456/tjog.2025.15.