Volume 13, Issue 3, March 2012, Pages 1019-1024
Volume 13, Issue 2, February 2012, Pages 599-606
Volume 13, Issue 1, January 2012, Pages 269-273
Volume 13, Issue 1, January 2012, Pages 305-308
Volume 12, Issue 10, October 2011, Pages 2689-2695
Volume 11, Issue 6, June 2010, Pages 1465-1468
Volume 11, Issue 6, June 2010, Pages 1781-1787
Volume 11, Issue 4, April 2010, Pages 993-1000
Volume 9, Issue 4, April 2008, Pages 563-568
Volume 9, Issue 4, April 2008, Pages 653-657
Volume 7, Issue 4, April 2006, Pages 529-532
Volume 7, Issue 3, March 2006, Pages 427-430
Volume 3, Issue 3, March 2002, Pages 207-214
Volume 2, Issue 1, January 2001, Pages 63-67