RT Journal T1 Hybrid and Cementless Total Hip Replacements in Patients Younger Than Fifty Years of Age Were Similar After Eighteen Years JF The Journal of Bone & Joint Surgery JO The Journal of Bone & Joint Surgery YR 2011 FD November 16 VO 93 IS 22 SP 2123 OP 2123 DO 10.2106/JBJS.9322.ebo191 UL http://dx.doi.org/10.2106/JBJS.9322.ebo191 AB