Su,E.P., Perna,M., Boettner,F., Mayman,D.J., Gerlinger,T., Barsoum,W., Randolph,J., Lee,G. A prospective, multi-center, randomised trial to evaluate the efficacy of a cryopneumatic device on total knee arthroplasty recovery. J Bone Joint Surg Br 2012/11; 11: 153-156