Cerovac, Anis, et al. “Efficacy of Transvaginal Ultrasound Versus Magnetic Resonance Imaging for Preoperative Assessment of Myometrial Invasion in Patients With Endometrioid Endometrial Cancer: A Prospective Comparative Study: Myometrial Invasion in Endometrial Cancer”. Radiology and Oncology, vol. 56, no. 1, Feb. 2022, https://www.radioloncol.com/index.php/ro/article/view/3762.