Volume 13, Issue 10, October 2012, Pages 5241-5243
Volume 13, Issue 9, September 2012, Pages 4315-4320
Volume 13, Issue 9, September 2012, Pages 4689-4693
Volume 13, Issue 6, June 2012, Pages 2519-2522
Volume 13, Issue 6, June 2012, Pages 2593-2596
Volume 11, Issue 3, March 2010, Pages 781-784
Volume 11, Issue 2, February 2010, Pages 461-464
Volume 9, Issue 3, March 2008, Pages 391-396