3Irwin RS, Curley FJ, Frech CL Chronic cough. The spectrum and frequency of causes, key components of the diagnostic evaluation, and outcome of specific therapy. Am Rev Respir Dis, 1990, 141 : 640-647.
4Brightling CE, Ward R, Goh KL, et al. Eosinophilic bronchitis is an important cause of chronic cough. Am J Respir Crit Care Med, 1999, 160: 406-410.
5Irwin RS, Baumann MH, Bolser DC, et al. Diagnosis and management of cough executive summary: ACCP evidence-based clinical practice guidelines. Chest, 2006, 129Suppl : 1 S-23S.
6Morice AH, Fontana CA, Sovijarvi AR, et al. The diagnosis and management of chronic cough. Eur Respir J, 2004, 24 : 481-492.