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Al-Refaie WB, Choi EA, Tseng JF, Tamm EP, Lee JH, Lee JE, Evans DB, Pisters PW.Al-Refaie WB, et al.Med Princ Pract. 2006;15(4):245-52. doi: 10.1159/000092985.Med Princ Pract. 2006.PMID: 16763389Free article.Review.