Volume 16, Issue 16, December 2015, Pages 6857-6862
Volume 15, Issue 19, December 2014, Pages 8229-8237
Volume 11, Issue 3, March 2010, Pages 717-722
Volume 10, Issue 3, March 2009, Pages 531-532
Volume 8, Issue 2, February 2007, Pages 287-293
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