Mutation screening and association analysis of six candidate genes for autism on chromosome 7q. by Bonora, E, Lamb, J, Barnby, G, Sykes, N, Moberly, T, Beyer, K, Klauck, S, Poustka, F, Bacchelli, E, Blasi, F, Maestrini, E, Battaglia, A, Haracopos, D, Pedersen, L, Isager, T, Eriksen, G, Viskum, B, Sorensen, E, Brondum-Nielsen, K, Cotterill, R, Engeland, H, Jonge, M, Kemner, C, Steggehuis, K, Scherpenisse, M