Cordero-ampuero, J. et al. 1994. Fixation of cementless acetabular cups: A radiographic 4-8-year study of 102 porous-coated components. Acta Orthopaedica. 65, 3 (Jan. 1994), 263–266. DOI:https://doi.org/10.3109/17453679408995451.