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Sperl-Hillen JM, Solberg LI, Hroscikoski MC, Crain AL, Engebretson KI, O'Connor PJ.Sperl-Hillen JM, et al.Jt Comm J Qual Saf. 2004 Jun;30(6):303-9. doi: 10.1016/s1549-3741(04)30034-1.Jt Comm J Qual Saf. 2004.PMID: 15208979