1. Mechanisms of gastroesophageal reflux in patients with reflux esophagitis;Dodds;N Engl J Med,1982
2. The role of gastroesophageal reflux in chronic cough and asthma;Harding;Chest,1997
3. National Asthma Education and Prevention Program. Clinical Practice Guidelines: Expert Panel Report 2: Guidelines for the Diagnosis and Management of Asthma. Bethesda, MD: National Institutes of Health, National Heart, Lung, and Blood Institute; 1997. NIH publication 97-4051. Available at: http://www.nhlbi.nih.gov/guidelines/asthma/asthgdln.pdf. Accessed 5/30/03
4. Inflammation in asthma;Canning,1999
5. Innervation of the airways;Canning;Respir Physiol,2001