Baykara, M., and C. Gokce. “Assessment of Endothelium-Dependent and Independent Vasodilation of Brachial Artery in Polycystic Ovary Syndrome”. Annals of Medical Research, vol. 19, no. 2, May 2021, pp. 0082-7, http://annalsmedres.org/index.php/aomr/article/view/3522.