CHINESE MEDICAL JOURNAL, Volume 115, Issue 11,2002, Pages 1603-1607, doi:10.3760/cma.j.issn.0366-6999.2002.11.101
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CHINESE MEDICAL JOURNAL, Volume 115, Issue 11,2002, Pages 1675-1678, doi:10.3760/cma.j.issn.0366-6999.2002.11.117