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Delextrat A, Baliqi F, Clarke N.Delextrat A, et al. Among authors: clarke n.J Sports Med Phys Fitness. 2013 Apr;53(2):112-8.J Sports Med Phys Fitness. 2013.PMID: 23584317
Delextrat A, Baker J, Cohen DD, Clarke ND.Delextrat A, et al. Among authors: clarke nd.Scand J Med Sci Sports. 2013 Aug;23(4):478-86. doi: 10.1111/j.1600-0838.2011.01415.x. Epub 2011 Nov 23.Scand J Med Sci Sports. 2013.PMID: 22107131
Duncan MJ, Clarke ND, Birch SL, Tallis J, Hankey J, Bryant E, Eyre EL.Duncan MJ, et al.Int J Environ Res Public Health. 2014 Apr 2;11(4):3678-88. doi: 10.3390/ijerph110403678.Int J Environ Res Public Health. 2014.PMID: 24699030Free PMC article.