Gravar-mail: Letter to the Editor Re: Orthopaedic Surgeons Prefer to Participate in Expertise-based Randomized Trials: Bednarska E, Bryant D, Devereaux, PJ. Orthopaedic Surgeons Prefer to Participate in Expertise-based Randomized trials. Clin Orthop Relat Res. 2008;466:1734–1744