CHINESE MEDICAL JOURNAL, Volume 115, Issue 7,2002, Pages 1074-1077, doi:10.3760/cma.j.issn.0366-6999.2002.07.126
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CHINESE MEDICAL JOURNAL, Volume 115, Issue 7,2002, Pages 1048-1052, doi:10.3760/cma.j.issn.0366-6999.2002.07.121
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