RT Journal Article SR Electronic T1 Depression in Japanese Patients With COPD: A Cross-Sectional Study JF Respiratory Care FD American Association for Respiratory Care SP e172 OP e172 DO 10.4187/respcare.02855 VO 58 IS 12 A1 Samer Alkhuja YR 2013 UL http://rc.rcjournal.com/content/58/12/e172.1.abstract AB