Volume 12, Issue 12, December 2011, Pages 3357-3360
Volume 12, Issue 9, September 2011, Pages 2221-2226
Volume 12, Issue 7, July 2011, Pages 1749-1752
Volume 12, Issue 5, May 2011, Pages 1279-1282
Volume 12, Issue 2, February 2011, Pages 377-382
Volume 12, Issue 2, February 2011, Pages 491-495
Volume 11, Issue 4, April 2010, Pages 881-885
Volume 10, Issue 5, May 2009, Pages 783-788
Volume 9, Issue 4, April 2008, Pages 733-736
Volume 8, Issue 3, March 2007, Pages 438-444
Volume 8, Issue 2, February 2007, Pages 253-257
Volume 7, Issue 3, March 2006, Pages 415-419
Volume 7, Issue 3, March 2006, Pages 444-446
Volume 7, Issue 2, February 2006, Pages 325-328
Volume 6, Issue 3, March 2005, Pages 309-314
Volume 5, Issue 4, April 2004, Pages 362-365
Volume 1, Issue 4, April 2000, Pages 293-298
)