Pongsatha, Saipin, Theera Tongsong, and Nantana Morakote. 2017. “Ovarian Volume Assessment by Transvaginal Ultrasonography in Postmenopausal Women”. Thai Journal of Obstetrics and Gynaecology 14 (3). Bangkok, Thailand:211. https://he02.tci-thaijo.org/index.php/tjog/article/view/92447.