LINKAGE STUDY BETWEEN THE AMYLOID GENE AND FAMILIAL ALZHEIMERS-DISEASE - Van Broeckhoven, C; Backhovens, H; Raeymaekers, P; Wehnert, A; Horsthemke, B; Beyreuther, K; Genthe, A; Barton, A; Hardy, J; Irving, N; Williamson, R; Vandenberghe, A (1987)