NATIONAL MEDICAL JOURNAL OF CHINA, Volume 90, Issue 25,2010, Pages 1756-1759, doi:10.3760/cma.j.issn.0376-2491.2010.25.007
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 90, Issue 25,2010, Pages 1729-1734, doi:10.3760/cma.j.issn.0376-2491.2010.25.001
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 90, Issue 25,2010, Pages 1752-1755, doi:10.3760/cma.j.issn.0376-2491.2010.25.006
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 90, Issue 25,2010, Pages 1791-1793, doi:10.3760/cma.j.issn.0376-2491.2010.25.017
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 90, Issue 25,2010, Pages 1747-1751, doi:10.3760/cma.j.issn.0376-2491.2010.25.005