Ultrasound-guided supra-acetabular pin placement in pelvic external fixation: description of a surgical technique and results

1. Chana-Rodríguez, F.
2. Cuervas-Mons, M.
3. Rojo-Manaute, J.
4. Mora, F.
5. Arnal, J.
6. Vaquero-Martín, J.