NATIONAL MEDICAL JOURNAL OF CHINA, Volume 94, Issue 9,2014, Pages 704-708, doi:10.3760/cma.j.issn.0376-2491.2014.09.018
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NATIONAL MEDICAL JOURNAL OF CHINA, Volume 94, Issue 9,2014, Pages 646-650, doi:10.3760/cma.j.issn.0376-2491.2014.09.002
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 94, Issue 9,2014, Pages 688-691, doi:10.3760/cma.j.issn.0376-2491.2014.09.013
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 94, Issue 9,2014, Pages 709-710, doi:10.3760/cma.j.issn.0376-2491.2014.09.019