NATIONAL MEDICAL JOURNAL OF CHINA, Volume 90, Issue 10,2010, Pages 683-686, doi:10.3760/cma.j.issn.0376-2491.2010.10.011
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 90, Issue 10,2010, Pages 719-720, doi:10.3760/cma.j.issn.0376-2491.2010.10.021
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 90, Issue 10,2010, Pages 653-657, doi:10.3760/cma.j.issn.0376-2491.2010.10.003
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 90, Issue 10,2010, Pages 678-682, doi:10.3760/cma.j.issn.0376-2491.2010.10.010