NATIONAL MEDICAL JOURNAL OF CHINA, Volume 89, Issue 7,2009, Pages 497-498, doi:10.3760/cma.j.issn.0376-2491.2009.07.016
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 89, Issue 7,2009, Pages 438-444, doi:10.3760/cma.j.issn.0376-2491.2009.07.002
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 89, Issue 7,2009, Pages 480-484, doi:10.3760/cma.j.issn.0376-2491.2009.07.012
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 89, Issue 7,2009, Pages 466-468, doi:10.3760/cma.j.issn.0376-2491.2009.07.008
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 89, Issue 7,2009, Pages 448,456,468,471,490,496,498,