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Knopp EA, Cha S, Johnson G, Mazumdar A, Golfinos JG, Zagzag D, Miller DC, Kelly PJ, Kricheff II.Knopp EA, et al.Radiology. 1999 Jun;211(3):791-8. doi: 10.1148/radiology.211.3.r99jn46791.Radiology. 1999.PMID: 10352608
Law M, Cha S, Knopp EA, Johnson G, Arnett J, Litt AW.Law M, et al. Among authors: knopp ea.Radiology. 2002 Mar;222(3):715-21. doi: 10.1148/radiol.2223010558.Radiology. 2002.PMID: 11867790
Cha S, Knopp EA, Johnson G, Wetzel SG, Litt AW, Zagzag D.Cha S, et al. Among authors: knopp ea.Radiology. 2002 Apr;223(1):11-29. doi: 10.1148/radiol.2231010594.Radiology. 2002.PMID: 11930044Review.
Yang S, Law M, Zagzag D, Wu HH, Cha S, Golfinos JG, Knopp EA, Johnson G.Yang S, et al. Among authors: knopp ea.AJNR Am J Neuroradiol. 2003 Sep;24(8):1554-9.AJNR Am J Neuroradiol. 2003.PMID: 13679270Free PMC article.
Law M, Yang S, Babb JS, Knopp EA, Golfinos JG, Zagzag D, Johnson G.Law M, et al. Among authors: knopp ea.AJNR Am J Neuroradiol. 2004 May;25(5):746-55.AJNR Am J Neuroradiol. 2004.PMID: 15140713Free PMC article.
Law M, Oh S, Babb JS, Wang E, Inglese M, Zagzag D, Knopp EA, Johnson G.Law M, et al. Among authors: knopp ea.Radiology. 2006 Feb;238(2):658-67. doi: 10.1148/radiol.2382042180. Epub 2006 Jan 5.Radiology. 2006.PMID: 16396838
Cha S, Knopp EA, Johnson G, Litt A, Glass J, Gruber ML, Lu S, Zagzag D.Cha S, et al. Among authors: knopp ea.AJNR Am J Neuroradiol. 2000 May;21(5):881-90.AJNR Am J Neuroradiol. 2000.PMID: 10815664Free PMC article.
Cha S, Pierce S, Knopp EA, Johnson G, Yang C, Ton A, Litt AW, Zagzag D.Cha S, et al. Among authors: knopp ea.AJNR Am J Neuroradiol. 2001 Jun-Jul;22(6):1109-16.AJNR Am J Neuroradiol. 2001.PMID: 11415906Free PMC article.