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Petersen ET, Mouridsen K, Golay X; all named co-authors of the QUASAR test-retest study.Petersen ET, et al.Neuroimage. 2010 Jan 1;49(1):104-13. doi: 10.1016/j.neuroimage.2009.07.068. Epub 2009 Aug 4.Neuroimage. 2010.PMID: 19660557Free PMC article.