Non-palpable contraceptive implants localization: review of imaging techniques and algorithm proposal

Juan Carlos Soler-Perromat, Álvaro Bartolomé-Solanas, Montserrat del Amo, Jaime Isern-Kebschull, Marta Porta-Vilaró, Ana-Isabel García-Diez, Cristian de Guirior, Xavier Tomás