CHINESE JOURNAL OF COAL INDUSTRY MEDICINE, Volume 4, Issue 12,2001, Pages 962-963, doi:10.3969/j.issn.1007-9564.2001.12.005
CHINESE JOURNAL OF COAL INDUSTRY MEDICINE, Volume 4, Issue 12,2001, Pages 982-982, doi:10.3969/j.issn.1007-9564.2001.12.025
CHINESE JOURNAL OF COAL INDUSTRY MEDICINE, Volume 4, Issue 12,2001, Pages 966-966, doi:10.3969/j.issn.1007-9564.2001.12.008
CHINESE JOURNAL OF COAL INDUSTRY MEDICINE, Volume 4, Issue 12,2001, Pages 1036-1036, doi:10.3969/j.issn.1007-9564.2001.12.088
CHINESE JOURNAL OF COAL INDUSTRY MEDICINE, Volume 4, Issue 12,2001, Pages 1003-1003, doi:10.3969/j.issn.1007-9564.2001.12.048