CHINA JOURNAL OF MODERN MEDICINE, Volume 12, Issue 20,2002, Pages 4-6, doi:10.3969/j.issn.1005-8982.2002.20.002
CHINA JOURNAL OF MODERN MEDICINE, Volume 12, Issue 20,2002, Pages 64,66, doi:10.3969/j.issn.1005-8982.2002.20.025
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CHINA JOURNAL OF MODERN MEDICINE, Volume 12, Issue 20,2002, Pages 65-66, doi:10.3969/j.issn.1005-8982.2002.20.026