NATIONAL MEDICAL JOURNAL OF CHINA, Volume 89, Issue 27,2009, Pages 1926-1929, doi:10.3760/cma.j.issn.0376-2491.2009.27.014
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 89, Issue 27,2009, Pages 1939-1941, doi:10.3760/cma.j.issn.0376-2491.2009.27.018
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 89, Issue 27,2009, Pages 1913-1915, doi:10.3760/cma.j.issn.0376-2491.2009.27.010
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 89, Issue 27,2009, Pages 1873-1875, doi:10.3760/cma.j.issn.0376-2491.2009.27.001