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Kroll HR, Odderson IR, Allen FH.Kroll HR, et al.Arch Phys Med Rehabil. 1998 May;79(5):576-8. doi: 10.1016/s0003-9993(98)90075-2.Arch Phys Med Rehabil. 1998.PMID: 9596401
Kroll HR.Kroll HR.Phys Med Rehabil Clin N Am. 2015 May;26(2):263-81. doi: 10.1016/j.pmr.2014.12.007. Epub 2015 Feb 21.Phys Med Rehabil Clin N Am. 2015.PMID: 25952064Review.
Arole A, Kroll HR, Brown M.Arole A, et al. Among authors: kroll hr.J Clin Anesth. 2005 Feb;17(1):72-4. doi: 10.1016/j.jclinane.2004.05.002.J Clin Anesth. 2005.PMID: 15721735