Volume 16, Issue 6, June 2015, Pages 2575-2580
Volume 16, Issue 4, April 2015, Pages 1671-1674
Volume 15, Issue 19, December 2014, Pages 8041-8046
Volume 15, Issue 19, December 2014, Pages 8047-8050
Volume 15, Issue 8, August 2014, Pages 3359-3362
Volume 15, Issue 5, May 2014, Pages 1909-1912
Volume 15, Issue 5, May 2014, Pages 2379-2381
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