Volume 12, Issue 12, December 2011, Pages 3381-3387
Volume 12, Issue 11, November 2011, Pages 2943-2946
Volume 12, Issue 11, November 2011, Pages 3049-3053
Volume 12, Issue 2, February 2011, Pages 549-553
Volume 11, Issue 3, March 2010, Pages 759-761
Volume 11, Issue 3, March 2010, Pages 763-766
Volume 11, Issue 1, January 2010, Pages 131-136
Volume 10, Issue 1, January 2009, Pages 21-26
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