A worldwide survey of chronic cough: a manifestation of enhanced somatosensory response. by Morice, A, Jakes, A, Faruqi, S, Birring, S, McGarvey, L, Canning, B, Smith, J, Parker, S, Chung, K, Lai, K, Pavord, I, van den Berg, J, Song, W, Millqvist, E, Farrell, M, Mazzone, S, Dicpinigaitis, P