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Liu J, Redmond MJ, Brodsky EK, Alexander AL, Lu A, Thornton FJ, Schulte MJ, Grist TM, Pipe JG, Block WF.Liu J, et al. Among authors: thornton fj.IEEE Trans Med Imaging. 2006 Feb;25(2):148-57. doi: 10.1109/TMI.2005.861706.IEEE Trans Med Imaging. 2006.PMID: 16468449Free article.