CHINESE JOURNAL OF COAL INDUSTRY MEDICINE, Volume 5, Issue 5,2002, Pages 446-446, doi:10.3969/j.issn.1007-9564.2002.05.031
CHINESE JOURNAL OF COAL INDUSTRY MEDICINE, Volume 5, Issue 5,2002, Pages 449-449, doi:10.3969/j.issn.1007-9564.2002.05.034
CHINESE JOURNAL OF COAL INDUSTRY MEDICINE, Volume 5, Issue 5,2002, Pages 481-481, doi:10.3969/j.issn.1007-9564.2002.05.103
CHINESE JOURNAL OF COAL INDUSTRY MEDICINE, Volume 5, Issue 5,2002, Pages 516-516, doi:10.3969/j.issn.1007-9564.2002.05.107
CHINESE JOURNAL OF COAL INDUSTRY MEDICINE, Volume 5, Issue 5,2002, Pages 502-503, doi:10.3969/j.issn.1007-9564.2002.05.089