Volume 13, Issue 7, July 2012, Pages 3143-3147
Volume 13, Issue 1, January 2012, Pages 49-56
Volume 13, Issue 1, January 2012, Pages 351-360
Volume 12, Issue 6, June 2011, Pages 1553-1558
Volume 12, Issue 3, March 2011, Pages 605-611
Volume 12, Issue 1, January 2011, Pages 87-94
Volume 11, Issue 6, June 2010, Pages 1473-1478
Volume 10, Issue 5, May 2009, Pages 877-881
Volume 10, Issue 2, February 2009, Pages 219-222
Volume 8, Issue 1, January 2007, Pages 63-68
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