Randomised clinical trial: high-dose acid suppression for chronic cough - a double-blind, placebo-controlled study.
Shaheen NJ, Crockett SD, Bright SD, Madanick RD, Buckmire R, Couch M, Dellon ES, Galanko JA, Sharpless G, Morgan DR, et al. Aliment Pharmacol Ther. 2011 Jan; 33(2):225-34. Epub 2010 Nov 17.