Comparing the Planned Respiratory Cares and CPAP on Atelectasis and Arterial Blood Oxygen Levels of patients undergoing Coronary Artery Bypass Graft Journal title: International Journal of Medical Research & Health Sciences (IJMRHS) Authors: Pouya Farokhnezhad Afshar| PhD candidate in Gerontology, University of Social Welfare and Rehabilita... Subject(s): Medicine, Biomedicine, Dentistry and Oral Surgery, Oncology, Public Health and Community Medicine