NATIONAL MEDICAL JOURNAL OF CHINA, Volume 85, Issue 39,2005, Pages 2791-2793, doi:10.3760/j:issn:0376-2491.2005.39.016
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 85, Issue 39,2005, Pages 2785-2788, doi:10.3760/j:issn:0376-2491.2005.39.014
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 85, Issue 39,2005, Pages 2794-2795, doi:10.3760/j:issn:0376-2491.2005.39.017
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NATIONAL MEDICAL JOURNAL OF CHINA, Volume 85, Issue 39,2005, Pages 2796-2797, doi:10.3760/j:issn:0376-2491.2005.39.018