Volume 15, Issue 24, December 2014, Pages 10653-10658
Volume 15, Issue 22, December 2014, Pages 9871-9873
Volume 15, Issue 24, December 2014, Pages 10867-10869
Volume 15, Issue 5, May 2014, Pages 1993-1999
Volume 13, Issue 11, November 2012, Pages 5871-5874
Volume 12, Issue 6, June 2011, Pages 1515-1519
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