Volume 14, Issue 2, February 2013, Pages 1077-1082
Volume 13, Issue 12, December 2012, Pages 6197-6201
Volume 13, Issue 12, December 2012, Pages 6463-6468
Volume 13, Issue 10, October 2012, Pages 4963-4965
Volume 13, Issue 9, September 2012, Pages 4431-4433
Volume 13, Issue 7, July 2012, Pages 3109-3112
Volume 13, Issue 6, June 2012, Pages 2739-2744
Volume 13, Issue 5, May 2012, Pages 2253-2255
Volume 13, Issue 3, March 2012, Pages 867-872
Volume 10, Issue 2, February 2009, Pages 295-298
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