China Journal of Modern Medicine, Volume 21, Issue 30,2011, Pages 3768-3771,
China Journal of Modern Medicine, Volume 21, Issue 30,2011, Pages 3806-3810, doi:10.3969/j.issn.1005-8982.2011.30.025
China Journal of Modern Medicine, Volume 21, Issue 30,2011, Pages 3834-3836,3840, doi:10.3969/j.issn.1005-8982.2011.30.032
China Journal of Modern Medicine, Volume 21, Issue 30,2011, Pages 3787-3790,
China Journal of Modern Medicine, Volume 21, Issue 30,2011, Pages 3726-3729,