Volume 12, Issue 11, November 2011, Pages 3063-3068
Volume 12, Issue 8, August 2011, Pages 1917-1924
Volume 12, Issue 8, August 2011, Pages 1965-1967
Volume 12, Issue 8, August 2011, Pages 2045-2049
Volume 12, Issue 7, July 2011, Pages 1647-1655
Volume 12, Issue 5, May 2011, Pages 1173-1178
Volume 12, Issue 3, March 2011, Pages 691-694
Volume 11, Issue 6, June 2010, Pages 1503-1508
Volume 10, Issue 6, June 2009, Pages 1113-1117
Volume 10, Issue 4, April 2009, Pages 627-630
Volume 9, Issue 1, January 2008, Pages 15-18