CHINESE MEDICAL JOURNAL, Volume 115, Issue 2,2002, Pages 258-263, doi:10.3760/cma.j.issn.0366-6999.2002.02.123
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CHINESE MEDICAL JOURNAL, Volume 115, Issue 2,2002, Pages 254-257,
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CHINESE MEDICAL JOURNAL, Volume 115, Issue 2,2002, Pages 232-234, doi:10.3760/cma.j.issn.0366-6999.2002.02.117