Volume 13, Issue 4, April 2012, Pages 1569-1573
Volume 13, Issue 2, February 2012, Pages 487-492
Volume 13, Issue 1, January 2012, Pages 395-398
Volume 12, Issue 11, November 2011, Pages 3147-3150
Volume 12, Issue 5, May 2011, Pages 1299-1305
Volume 10, Issue 6, June 2009, Pages 1141-1146
Volume 10, Issue 5, May 2009, Pages 815-821
Volume 10, Issue 3, March 2009, Pages 361-364
Volume 10, Issue 1, January 2009, Pages 103-106
Volume 9, Issue 1, January 2008, Pages 159-161
Volume 7, Issue 1, January 2006, Pages 46-50
Volume 6, Issue 3, March 2005, Pages 412-419
Volume 5, Issue 1, January 2004, Pages 28-35
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