Volume 13, Issue 1, January 2012, Pages 319-323
Volume 12, Issue 11, November 2011, Pages 2969-2972
Volume 12, Issue 3, March 2011, Pages 699-702
Volume 12, Issue 3, March 2011, Pages 735-738
Volume 12, Issue 2, February 2011, Pages 443-445
Volume 11, Issue 6, June 2010, Pages 1469-1471
Volume 10, Issue 2, February 2009, Pages 205-208
Volume 9, Issue 3, March 2008, Pages 421-426
Volume 9, Issue 3, March 2008, Pages 497-500
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