(Q57120699)
Statements
[The usefulness of COPD questionnaire for screening COPD subjects] (English)
Takeshi Ogura
Tateo Tejima
Yosiaki Moritani
Yosikazu Matuzaki
Kazuhiro Uchimura
Masakazu Aoki
COPD Research Group in JATA
1 November 2009