RT Journal A1 Obremskey, William T. A1 Marotta, James S. A1 Yaszemski, Michael J. A1 Churchill, Larry R. A1 Boden, Scott D. A1 Dirschl, Douglas R. T1 SymposiumThe Introduction of Biologics in Orthopaedics: Issues of Cost, Commercialism, and Ethics* JF The Journal of Bone & Joint Surgery JO The Journal of Bone & Joint Surgery YR 2007 FD July 1 VO 89 IS 7 SP 1641 OP 1649 DO 10.2106/JBJS.F.01185 UL http://dx.doi.org/10.2106/JBJS.F.01185 AB