Salemyr, Mats O F, et al. “Good Results With an Uncemented Proximally HA-Coated Stem in Hip Revision Surgery: 62 Hips Followed for 2–13 Years”. Acta Orthopaedica, vol. 79, no. 2, Jan. 2008, pp. 184-93, doi:10.1080/17453670710014969.