by Hardcastle, W J, Gibbon, F E, Jones, W
Published in British journal of disorders of communication (01.04.1991)

by Shields, J
Published in British journal of disorders of communication (01.12.1991)

by Butcher, P, Elias, A, Raven, R, Yeatman, J, Littlejohns, D
Published in British journal of disorders of communication (01.04.1987)

by Bishop, D V
Published in British journal of disorders of communication (01.08.1989)

by Horsley, I A, FitzGibbon, C T
Published in British journal of disorders of communication (01.04.1987)

by Frith, U
Published in British journal of disorders of communication (01.08.1989)

by Hewlett, N
Published in British journal of disorders of communication (01.09.1985)

by GrunwellL, P, Russell, J
Published in British journal of disorders of communication (01.04.1987)

by Burton, E, Meeks, N, Wright, K
Published in British journal of disorders of communication (01.08.1991)

by Murty, G E, Carding, P N, Lancaster, P
Published in British journal of disorders of communication (01.04.1991)

by Chiat, S, Hirson, A
Published in British journal of disorders of communication (01.04.1987)

by Selley, W G, Ellis, R E, Flack, F C, Brooks, W A
Published in British journal of disorders of communication (01.12.1990)

by Johnson, J A, Pring, T R
Published in British journal of disorders of communication (01.08.1990)

by Nickels, L, Byng, S, Black, M
Published in British journal of disorders of communication (01.08.1991)

by Bench, R J
Published in British journal of disorders of communication (01.08.1991)

by Rittenhouse, R K, Stearns, K
Published in British journal of disorders of communication (01.12.1990)

by Eastwood, J
Published in British journal of disorders of communication (01.08.1988)

by Woodard, M
Published in British journal of disorders of communication (01.04.1991)

Published in British journal of disorders of communication (01.08.1989)

by Adams, C
Published in British journal of disorders of communication (01.08.1990)