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Tutor-Crespo MJ, Hermida J, Tutor JC.Tutor-Crespo MJ, et al.Biomed Pap Med Fac Univ Palacky Olomouc Czech Repub. 2007 Jun;151(1):91-4. doi: 10.5507/bp.2007.016.Biomed Pap Med Fac Univ Palacky Olomouc Czech Repub. 2007.PMID: 17690747