Volume 16, Issue 17, December 2015, Pages 7501-7506
Volume 16, Issue 13, December 2015, Pages 5463-5469
Volume 15, Issue 17, December 2014, Pages 7321-7326
Volume 14, Issue 1, January 2013, Pages 69-73
Volume 5, Issue 2, February 2004, Pages 164-168
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