Comparative tomographic study of the iliac screw and the S2-alar-iliac screw in children - Tavares-Junior, Mauro Costa Morais; Sanchez, Fernando Barbosa; Iturralde, Jaime David Uquillas; Fernandes, Renan Jose Rodrigues; Marcon, Raphael Martus; Cristante, Alexandre Fogaça; Barros Filho, Tarcísio Eloy Pessoa de; Letaif, Olavo Biraghi (Clinics, 2020)