Volume 13, Issue 3, March 2012, Pages 885-890
Volume 13, Issue 3, March 2012, Pages 975-978
Volume 12, Issue 10, October 2011, Pages 2491-2494
Volume 12, Issue 10, October 2011, Pages 2779-2783
Volume 12, Issue 5, May 2011, Pages 1185-1188
Volume 12, Issue 2, February 2011, Pages 443-445
Volume 11, Issue 4, April 2010, Pages 881-885
Volume 8, Issue 4, April 2007, Pages 607-612
Volume 7, Issue 2, February 2006, Pages 195-200
Volume 7, Issue 1, January 2006, Pages 108-112
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