NATIONAL MEDICAL JOURNAL OF CHINA, Volume 91, Issue 15,2011, Pages 1051-1054, doi:10.3760/cma.j.issn.0376-2491.2011.15.011
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 91, Issue 15,2011, Pages 1080, doi:10.3760/cma.j.issn.0376-2491.2011.15.020
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 91, Issue 15,2011, Pages 1031-1035, doi:10.3760/cma.j.issn.0376-2491.2011.15.006
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 91, Issue 15,2011, Pages 1078-1079, doi:10.3760/cma.j.issn.0376-2491.2011.15.019
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 91, Issue 15,2011, Pages 1070-1074, doi:10.3760/cma.j.issn.0376-2491.2011.15.017