NATIONAL MEDICAL JOURNAL OF CHINA, Volume 91, Issue 3,2011, Pages 145-146, doi:10.3760/cma.j.issn.0376-2491.2011.03.001
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 91, Issue 3,2011, Pages 175-179, doi:10.3760/cma.j.issn.0376-2491.2011.03.008
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 91, Issue 3,2011, Pages 198-202, doi:10.3760/cma.j.issn.0376-2491.2011.03.013
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 91, Issue 3,2011, Pages 193-197, doi:10.3760/cma.j.issn.0376-2491.2011.03.012
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 91, Issue 3,2011, Pages 155-159, doi:10.3760/cma.j.issn.0376-2491.2011.03.003