K. Haj Hammo, M., Mohammad, J. Al layla, D., Dhia, M. A. Al Hayali, R. and Rami (2025) “Prevalence of gastro-oesophageal reflux symptoms in patients with COPD”, Annals of the College of Medicine, Mosul, 32(1), pp. 18–22. doi: 10.33899/mmed.2006.30122.