NATIONAL MEDICAL JOURNAL OF CHINA, Volume 90, Issue 39,2010, Pages 2770-2772, doi:10.3760/cma.j.issn.0376-2491.2010.39.009
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 90, Issue 39,2010, Pages 2792-2796, doi:10.3760/cma.j.issn.0376-2491.2010.39.014
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 90, Issue 39,2010, Pages 2806-2807, doi:10.3760/cma.j.issn.0376-2491.2010.39.018
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 90, Issue 39,2010, Pages 2767-2769, doi:10.3760/cma.j.issn.0376-2491.2010.39.008
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 90, Issue 39,2010, Pages 2787-2791, doi:10.3760/cma.j.issn.0376-2491.2010.39.013