“Comparative Clinical-Radiological Analysis of First-Generation vs. Second-Generation Flat Cementless Femoral Stems”, Rev. Asoc. Arg. Ort. y Traumatol, vol. 86, no. 4, pp. 475–482, Aug. 2021, doi: 10.15417/issn.1852-7434.2021.86.4.1337.