Stepwise introduction of a bone-conserving osseointegrated hip arthroplasty using RSA and a randomised study. II. Clinical proof of concept - 40 patients followed for 2 years. - Carlsson,L.V.; Albrektsson,T.; Albrektsson,B.EJ.; Jacobsson,C.M.; Macdonald,W.; Regner,L.; Weidenhielm,L.R. (Acta Orthopaedica, 2006)