NATIONAL MEDICAL JOURNAL OF CHINA, Volume 89, Issue 31,2009, Pages 2161-2162, doi:10.3760/cma.j.issn.0376-2491.2009.31.001
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 89, Issue 31,2009, Pages 2168-2170, doi:10.3760/cma.j.issn.0376-2491.2009.31.003
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 89, Issue 31,2009, Pages 2231-2232, doi:10.3760/cma.j.issn.0376-2491.2009.31.019
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 89, Issue 31,2009, Pages 2199-2201, doi:10.3760/cma.j.issn.0376-2491.2009.31.011
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 89, Issue 31,2009, Pages 2188-2191, doi:10.3760/cma.j.issn.0376-2491.2009.31.008