FOREIGN MEDICAL SCIENCES(SECTION OF RESPIRATORY SYSTEM), Volume 21, Issue 4,2001, Pages 175-177, doi:10.3760/cma.j.issn.1673-436X.2001.04.003
FOREIGN MEDICAL SCIENCES(SECTION OF RESPIRATORY SYSTEM), Volume 21, Issue 4,2001, Pages 190-191, doi:10.3760/cma.j.issn.1673-436X.2001.04.008
FOREIGN MEDICAL SCIENCES(SECTION OF RESPIRATORY SYSTEM), Volume 21, Issue 4,2001, Pages 224,
FOREIGN MEDICAL SCIENCES(SECTION OF RESPIRATORY SYSTEM), Volume 21, Issue 4,2001, Pages 224,
FOREIGN MEDICAL SCIENCES(SECTION OF RESPIRATORY SYSTEM), Volume 21, Issue 4,2001, Pages 178-180,183, doi:10.3760/cma.j.issn.1673-436X.2001.04.004