China Journal of Modern Medicine, Volume 21, Issue 27,2011, Pages 3372-3375, doi:10.3969/j.issn.1005-8982.2011.27.011
China Journal of Modern Medicine, Volume 21, Issue 27,2011, Pages 3407-3409, doi:10.3969/j.issn.1005-8982.2011.27.020
China Journal of Modern Medicine, Volume 21, Issue 27,2011, Pages 3331-3334,
China Journal of Modern Medicine, Volume 21, Issue 27,2011, Pages 3396-3399, doi:10.3969/j.issn.1005-8982.2011.27.017
China Journal of Modern Medicine, Volume 21, Issue 27,2011, Pages 3361-3363,3367, doi:10.3969/j.issn.1005-8982.2011.27.008