NATIONAL MEDICAL JOURNAL OF CHINA, Volume 90, Issue 28,2010, Pages 1952-1954, doi:10.3760/cma.j.issn.0376-2491.2010.28.003
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 90, Issue 28,2010, Pages 2008-2010, doi:10.3760/cma.j.issn.0376-2491.2010.28.018
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 90, Issue 28,2010, Pages 1999-2003, doi:10.3760/cma.j.issn.0376-2491.2010.28.016
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 90, Issue 28,2010, Pages 2016, doi:10.3760/cma.j.issn.0376-2491.2010.28.022