The use of 3D technology in the preoperative period for patients with bilateral inguinal hernias.: A quantitative classification proposal aimed to reach surgical approach. - Jose Torres Villachica; Álvaro Sánchez Tabernero; Miguel Gonzalo Domínguez; Beatriz Montejo Maillo; José Revilla Hernández; Juan Antonio Juanes Méndez (TEEM, 2021)