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 (Jun. 2025), 18–22. DOI:https://doi.org/10.33899/mmed.2006.30122.