Volume 16, Issue 18, December 2015, Pages 8637-8644
Volume 15, Issue 23, December 2014, Pages 10079-10083
Volume 14, Issue 11, November 2013, Pages 6697-6701
Volume 14, Issue 3, March 2013, Pages 1841-1846
Volume 13, Issue 3, March 2012, Pages 923-926
Volume 11, Issue 4, April 2010, Pages 1119-1123
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