Gravini, Giovani, et al. “Variability in the Positioning of Femoral and Tibial Tunnels in the Reconstruction of the Anterior Cruciate Ligament: A NARRATIVE REVIEW”. Revista Colombiana De Ortopedia Y Traumatología, vol. 34, no. 4, Nov. 2020, pp. 330-42, doi:10.1016/j.rccot.2020.09.004.