by Dodd, M E, Kellet, F, Davis, A, Simpson, J C G, Webb, A K, Haworth, C S, Niven, R McL
Published in BMJ (07.10.2000)

by Simpson, J C, Niven, R M, Pickering, C A, Fletcher, A M, Oldham, L A, Francis, H M
Published in Occupational and environmental medicine (London, England) (01.10.1998)

by Simpson, J C G, Macfarlane, J T, Watson, J, Woodhead, M A
Published in Thorax (01.12.2000)

by Simpson, J.C.G, Niven, R.McL, Pickering, C.A.C, Oldham, L.A, Fletcher, A.M, Francis, H.C
Published in The Annals of occupational hygiene (01.02.1999)

by NIVEN, R. M, FLETCHER, A. M, PICKERING, C. A. C, FISHWICK, D, WARBURTON, C. J, SIMPSON, J. C. G, FRANCIS, H, OLDHAM, L. A
Published in Thorax (1997)

by Simpson, JC, Hulse, P, Taylor, PM, Woodhead, M
Published in The European respiratory journal (01.12.1998)

by Simpson, J.C.G., Callaway, M.P., Taylor, P.M., Hardy, C.C.
Published in Respiratory medicine (01.05.1998)

by Simpson, J. C. G., Niven, R. McL, Pickering, C. A. C., Oldham, L. A., Fletcher, A. M., Francis, H. C.
Published in The Annals of occupational hygiene (01.02.1999)