“The Effectiveness of Letrozole-Electroacupuncture Adjuvant Therapy in Reducing Resistance and Pulsatility Indices in Women with Polycystic Ovarian Syndrome” (2020) Journal of Maternal and Child Health, 5(4), pp. 422–429. Available at: https://thejmch.com/index.php/thejmch/article/view/463 (Accessed: 3 November 2025).