Angsuwathana, Surasak, and Tanaboon Hosuwan. “Pain during Endometrial Sampling between Menstrual Regulator and Standard Uterine Curette”. Siriraj Medical Journal 56, no. 8 (August 1, 2004): 405–409. accessed August 28, 2026. https://he02.tci-thaijo.org/index.php/sirirajmedj/article/view/245529.