http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3212888/pdf/1745-9974-7-6.pdf
Symptoms induced by environmental irritants and health-related quality of life in patients with chronic cough - A cross-sectional study
Ewa Ternesten-Hasséus,1 Sven Larsson,2 and Eva Millqvist1