CHINESE MEDICAL JOURNAL, Volume 114, Issue 9,2001, Pages 929-932, doi:10.3760/cma.j.issn.0366-6999.2001.09.112
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CHINESE MEDICAL JOURNAL, Volume 114, Issue 9,2001, Pages 912-915, doi:10.3760/cma.j.issn.0366-6999.2001.09.106
CHINESE MEDICAL JOURNAL, Volume 114, Issue 9,2001, Pages 937-940, doi:10.3760/cma.j.issn.0366-6999.2001.09.115