TY - JOUR T1 - Anxiety Disorders in Patients With COPD JF - Respiratory Care SP - e131 LP - e131 DO - 10.4187/respcare.02716 VL - 58 IS - 10 AU - Samer Alkhuja Y1 - 2013/10/01 UR - http://rc.rcjournal.com/content/58/10/e131.1.abstract N2 - ER -