RT Journal A1 Csimma, Cristina A1 Swiontkowski, Marc F. T1 Large Clinical Trials in Musculoskeletal Trauma: Are They Possible?Lessons Learned from the International Study of the Use of Rhbmp-2 in Open Tibial Fractures JF The Journal of Bone & Joint Surgery JO The Journal of Bone & Joint Surgery YR 2005 FD January 1 VO 87 IS 1 SP 218 OP 222 DO 10.2106/JBJS.D.01938 UL http://dx.doi.org/10.2106/JBJS.D.01938 AB