Al-beiruty, Oday Abdelrahman, Ahmed Muhei Rasheed, and Hayder Al-Zubaidy. 2008. “The Effect of Omeprazol in the Treatment of Laryngeal Manifestations of Gastro-Oesophageal Reflux”. Journal of the Faculty of Medicine Baghdad 50 (2): 154-59. https://doi.org/10.32007/jfacmedbagdad.5021270.