China Journal of Modern Medicine, Volume 21, Issue 18,2011, Pages 2123-2127,
China Journal of Modern Medicine, Volume 21, Issue 18,2011, Pages 2191-2192,2196, doi:10.3969/j.issn.1005-8982.2011.18.031
China Journal of Modern Medicine, Volume 21, Issue 18,2011, Pages 2181-2183,
China Journal of Modern Medicine, Volume 21, Issue 18,2011, Pages 2144-2147,2150, doi:10.3969/j.issn.1005-8982.2011.18.016
China Journal of Modern Medicine, Volume 21, Issue 18,2011, Pages 2187-2190,