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Zhang Y, Bishop PA, Green JM, Richardson MT, Schumacker RE.Zhang Y, et al. Among authors: schumacker re.J Occup Environ Hyg. 2010 Jul;7(7):389-96. doi: 10.1080/15459621003785554.J Occup Environ Hyg. 2010.PMID: 20408017Clinical Trial.
Laurent CM, Green JM, Bishop PA, Sjökvist J, Schumacker RE, Richardson MT, Curtner-Smith M.Laurent CM, et al. Among authors: schumacker re.J Sports Med Phys Fitness. 2010 Sep;50(3):243-53.J Sports Med Phys Fitness. 2010.PMID: 20842083