CHINESE JOURNAL OF COAL INDUSTRY MEDICINE, Volume 8, Issue 1,2005, Pages 96-96, doi:10.3969/j.issn.1007-9564.2005.01.073
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CHINESE JOURNAL OF COAL INDUSTRY MEDICINE, Volume 8, Issue 1,2005, Pages 59-59, doi:10.3969/j.issn.1007-9564.2005.01.041