Volume 12, Issue 10, October 2011, Pages 2571-2574
Volume 12, Issue 10, October 2011, Pages 2801-2806
Volume 12, Issue 8, August 2011, Pages 2123-2128
Volume 12, Issue 3, March 2011, Pages 725-730
Volume 12, Issue 1, January 2011, Pages 271-275
Volume 11, Issue 2, February 2010, Pages 383-386
Volume 11, Issue 1, January 2010, Pages 145-148
Volume 8, Issue 1, January 2007, Pages 93-97
Volume 7, Issue 1, January 2006, Pages 79-85
Volume 4, Issue 1, January 2003, Pages 57-60
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