Volume 16, Issue 9, September 2015, Pages 4007-4011
Volume 16, Issue 3, March 2015, Pages 1029-1031
Volume 15, Issue 9, September 2014, Pages 3959-3963
Volume 14, Issue 8, August 2013, Pages 4583-4589
Volume 6, Issue 2, February 2005, Pages 213-214
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