NATIONAL MEDICAL JOURNAL OF CHINA, Volume 94, Issue 8,2014, Pages 638-639, doi:10.3760/cma.j.issn.0376-2491.2014.08.023
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NATIONAL MEDICAL JOURNAL OF CHINA, Volume 94, Issue 8,2014, Pages 635-637, doi:10.3760/cma.j.issn.0376-2491.2014.08.022
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 94, Issue 8,2014, Pages 599-602, doi:10.3760/cma.j.issn.0376-2491.2014.08.011
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 94, Issue 8,2014, Pages 587-590, doi:10.3760/cma.j.issn.0376-2491.2014.08.008