Packer, R.J., Shrine, N., Hall, R., Melbourne, C.A., Thompson, R., Williams, A.T., Paynton, M.L., Guyatt, A.L., Lee, P.H., John, C., Campbell, A., Hayward, C., de Vries, M., Vonk, J.M., Davitte, J., Hessel, E., Michalovich, D., Betts, J.C., Sayers, I., Yeo, A., Hall, I., Tobin, M.D., Wain, L.V., "Genome-wide association study of chronic sputum production implicates loci involved in mucus production and infection", ,