Soares Elisa, Freixo Marília, Coelho Maria, Costa Fernanda, Brandão Pedro
Department of Obstetrics and Gynaecology, Centro Hospitalar Tâmega e Sousa, Porto, Portugal.
Faculty of Medicine, University of Porto, Porto, Portugal.
J Med Ultrasound. 2019 Dec 16;28(3):200-202. doi: 10.4103/JMU.JMU_43_19. eCollection 2020 Jul-Sep.