Volume 16, Issue 14, December 2015, Pages 5599-5605
Volume 16, Issue 6, June 2015, Pages 2215-2217
Volume 16, Issue 5, May 2015, Pages 2051-2054
Volume 15, Issue 22, December 2014, Pages 9879-9884
Volume 15, Issue 9, September 2014, Pages 4085-4089
Volume 13, Issue 5, May 2012, Pages 1713-1718
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