CHINESE JOURNAL OF COAL INDUSTRY MEDICINE, Volume 4, Issue 10,2001, Pages 737-739, doi:10.3969/j.issn.1007-9564.2001.10.001
CHINESE JOURNAL OF COAL INDUSTRY MEDICINE, Volume 4, Issue 10,2001, Pages 761-762, doi:10.3969/j.issn.1007-9564.2001.10.020
CHINESE JOURNAL OF COAL INDUSTRY MEDICINE, Volume 4, Issue 10,2001, Pages 741-742, doi:10.3969/j.issn.1007-9564.2001.10.003
CHINESE JOURNAL OF COAL INDUSTRY MEDICINE, Volume 4, Issue 10,2001, Pages 781-781, doi:10.3969/j.issn.1007-9564.2001.10.037
CHINESE JOURNAL OF COAL INDUSTRY MEDICINE, Volume 4, Issue 10,2001, Pages 787-787, doi:10.3969/j.issn.1007-9564.2001.10.044