Characterization of a Drosophila NF1 homologue and its role in Ras1-mediated signal transduction. - The, S.I.; Hannigan, G.; Reginald, S.; Gusella, J.F.; Hariharan, I.K.; Bernards, A. (Program and Abstracts. 37th Annual Drosophila Research Conference, San Diego, 1996, 1996)