NATIONAL MEDICAL JOURNAL OF CHINA, Volume 91, Issue 5,2011, Pages 350-354, doi:10.3760/cma.j.issn.0376-2491.2011.05.016
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 91, Issue 5,2011, Pages 327-330, doi:10.3760/cma.j.issn.0376-2491.2011.05.010
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 91, Issue 5,2011, Pages 359-360, doi:10.3760/cma.j.issn.0376-2491.2011.05.018
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 91, Issue 5,2011, Pages 289-290, doi:10.3760/cma.j.issn.0376-2491.2011.05.001
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 91, Issue 5,2011, Pages 304-308, doi:10.3760/cma.j.issn.0376-2491.2011.05.005