INTERNATIONAL JOURNAL OF RESPIRATION, Volume 30, Issue 11,2010, Pages 689-692, doi:10.3760/cma.j.issn.1673-436X.2010.011.012
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INTERNATIONAL JOURNAL OF RESPIRATION, Volume 30, Issue 11,2010, Pages 669-671, doi:10.3760/cma.j.issn.1673-436X.2010.011.007
INTERNATIONAL JOURNAL OF RESPIRATION, Volume 30, Issue 11,2010, Pages 641-644, doi:10.3760/cma.j.issn.1673-436X.2010.011.001
INTERNATIONAL JOURNAL OF RESPIRATION, Volume 30, Issue 11,2010, Pages 665-668, doi:10.3760/cma.j.issn.1673-436X.2010.011.006