Jameson, S.S., Mason, J.M., Baker, P., Gregg, P.J., Porter, M., Deehan, D.J., Reed, M.R., "Have cementless and resurfacing components improved the medium-term results of hip replacement for patients under 60 years of age? Patient-reported outcome measures, implant survival, and costs in 24,709 patients", Acta Orthopaedica, 2015