Prevalence of comorbidities in subjects with airflow obstruction in Japan
Hisamitsu Omori, Ayumi Onoue, Yoshiaki Shinonome, Noritaka Higashi, Wataru Miyazaki, Yasuyuki Ogata, Tohru Tsuda, Hirotsugu Kohrogi, Takahiko Katoh
European Respiratory Journal Sep 2012, 40 (Suppl 56) P987;