Volume 16, Issue 12, December 2015, Pages 5025-5030
Volume 16, Issue 8, August 2015, Pages 3117-3120
Volume 15, Issue 14, December 2014, Pages 5767-5772
Volume 15, Issue 10, October 2014, Pages 4197-4201
Volume 15, Issue 1, January 2014, Pages 265-271
Volume 14, Issue 9, September 2013, Pages 5513-5518
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