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Meyer S, Gortner L, Brown K, Abdul-Khaliq H.Meyer S, et al.Wien Med Wochenschr. 2011 Apr;161(7-8):184-91. doi: 10.1007/s10354-011-0869-7. Epub 2011 Mar 7.Wien Med Wochenschr. 2011.PMID: 21360291Review.