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Walsh JH, Yong G, Cheetham C, Watts GF, O'Driscoll GJ, Taylor RR, Green DJ.Walsh JH, et al. Among authors: green dj.Eur Heart J. 2003 Sep;24(18):1681-9. doi: 10.1016/s0195-668x(03)00384-1.Eur Heart J. 2003.PMID: 14499232Clinical Trial.
Watts K, Naylor LH, Davis EA, Jones TW, Beeson B, Bettenay F, Siafarikas A, Bell L, Ackland T, Green DJ.Watts K, et al. Among authors: green dj.Med Sci Sports Exerc. 2006 Mar;38(3):439-44. doi: 10.1249/01.mss.0000191160.07893.2d.Med Sci Sports Exerc. 2006.PMID: 16540830