by Saboor, S.A., Saboor, S.A., McFadden, J., Johnson, N.Mcl
Published in The Lancet (British edition) (25.04.1992)

by Du Bois, R.M., Greenhalgh, P.M., Southcott, A.m, Johnson, N.mcL, Harris, T.A.j
Published in The European respiratory journal (01.06.1999)

by Johnson, N.Mcl
Published in British journal of diseases of the chest (01.01.1985)

by Johnson, N.Mcl
Published in British Journal of Diseases of the Chest (1985)

by Fidler, HelenM, Ibbotson, John, Chahal, H., Mussaddeq, Y., Allan, R.N., Johnson, N.Mcl, McFadden, J.J., Shepherd, NeilA
Published in The Lancet (British edition) (31.07.1993)