Khassawneh, Basheer Y Prevalence of undiagnosed COPD in male patients with coronary artery disease: a cross-sectional study in Jordan. [electronic resource] - International journal of chronic obstructive pulmonary disease 2018 - 2759-2766 p. digital Publication Type: Journal Article ISSN: 1178-2005 Standard No.: 10.2147/COPD.S172679 doi