Volume 16, Issue 16, December 2015, Pages 7291-7294
Volume 15, Issue 13, December 2014, Pages 5487-5492
Volume 15, Issue 1, January 2014, Pages 419-422
Volume 14, Issue 7, July 2013, Pages 4359-4363
Volume 13, Issue 8, August 2012, Pages 3621-3625
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