CHINESE JOURNAL OF COAL INDUSTRY MEDICINE, Volume 5, Issue 7,2002, Pages 684-684, doi:10.3969/j.issn.1007-9564.2002.07.037
CHINESE JOURNAL OF COAL INDUSTRY MEDICINE, Volume 5, Issue 7,2002, Pages 742-742, doi:10.3969/j.issn.1007-9564.2002.07.117
CHINESE JOURNAL OF COAL INDUSTRY MEDICINE, Volume 5, Issue 7,2002, Pages 688-689, doi:10.3969/j.issn.1007-9564.2002.07.042
CHINESE JOURNAL OF COAL INDUSTRY MEDICINE, Volume 5, Issue 7,2002, Pages 742-742, doi:10.3969/j.issn.1007-9564.2002.07.115
CHINESE JOURNAL OF COAL INDUSTRY MEDICINE, Volume 5, Issue 7,2002, Pages 693-693, doi:10.3969/j.issn.1007-9564.2002.07.047