FOREIGN MEDICAL SCIENCES(SECTION OF RESPIRATORY SYSTEM), Volume 22, Issue 4,2002, Pages 204-202,206, doi:10.3760/cma.j.issn.1673-436X.2002.04.011
FOREIGN MEDICAL SCIENCES(SECTION OF RESPIRATORY SYSTEM), Volume 22, Issue 4,2002, Pages 197-200, doi:10.3760/cma.j.issn.1673-436X.2002.04.010
FOREIGN MEDICAL SCIENCES(SECTION OF RESPIRATORY SYSTEM), Volume 22, Issue 4,2002, Pages 184-186,189, doi:10.3760/cma.j.issn.1673-436X.2002.04.006
FOREIGN MEDICAL SCIENCES(SECTION OF RESPIRATORY SYSTEM), Volume 22, Issue 4,2002, Pages 190-193, doi:10.3760/cma.j.issn.1673-436X.2002.04.008
FOREIGN MEDICAL SCIENCES(SECTION OF RESPIRATORY SYSTEM), Volume 22, Issue 4,2002, Pages 203-206, doi:10.3760/cma.j.issn.1673-436X.2002.04.012