Abbas, A. M., K. M. Zahran, A. Nasr, and H. S. Kamel. “Three-Dimensional Power Doppler Evaluation of Adnexal Masses. Which Parameter Performs Best?”. Thai Journal of Obstetrics and Gynaecology, vol. 22, no. 2, May 2014, pp. 103-8, https://he02.tci-thaijo.org/index.php/tjog/article/view/17453.