Predicting syndesmotic injuries in ankle fractures: a new system based on the medial malleolar focus - Sanchez-Morata, Enrique; Carlos Martinez-Avila, Jose; Vacas Sanchez, Elena; Jimenez Diaz, Veronica; Zorrilla Sanchez de Neyra, Jaime; Vila y Rico, Jesus; (Injury-International Journal Of The Care Of The Injured, 2017)