A nationwide survey of public COPD knowledge and awareness in Saudi Arabia: A population-based survey of 15,000 adults. oleh Jaber S Alqahtani, Abdulelah M Aldhahir, Rayan A Siraj, Abdullah A Alqarni, Ibrahim A AlDraiwiesh, Afrah F AlAnazi, Areej H Alamri, Roaa S Bajahlan, Asalah A Hakami, Saeed M Alghamdi, Yousef S Aldabayan, Abdullah S Alsulayyim, Ahmed M Al Rajeh, Saad M AlRabeeah, Abdallah Y Naser, Hassan Alwafi, Saeed Alqahtani, Ahmed M Hjazi, Tope Oyelade, Mohammed D AlAhmari