Ahmad, A. F.; AL-Ameen, A. M.; Jassim, S. A. H. Spirometric Evaluation of Gastroesophageal Reflux Disease (gerd) Associated Cough and Asthma. J Fac Med Baghdad 2015, 56 (4), 422-425. https://doi.org/10.32007/jfacmedbagdad.564559.