Cough: References

Warning signs of lung disease. American Lung Association. http://www.lung.org/lung-health-and-diseases/warning-signs-of-lung-disease/. Accessed May 2014.

Lechtzin N. Cough in adults. Merck Manual. http://www.merckmanuals.com/professional/pulmonary-disorders/symptoms-of-pulmonary-disorders/cough-in-adults. Updated July 2014.

Silvestri RC, Weinberger SE, eta l. Evaluation of chronic cough in adults. UpToDate. http://www.uptodate.com/contents/evaluation-of-subacute-and-chronic-cough-in-adults?source=see_link. Updated July 11, 2014. Accessed April 2016.