Lambert N, et al. (2006) An RNA gene expressed during cortical development evolved rapidly in humans. Nature. 443(7108):167-72. Pekarsky Y, et al. (1998) Nitrilase and Fhit homologs are encoded as fusion proteins in Drosophila melanogaster and Caenorhabditis elegans. Proc Natl Acad Sci. 95(15):8744-9. Ohta M, et al. (1996) The FHIT gene, spanning the chromosome 3p14.2 fragile site and renal carcinoma-associated t(3;8) breakpoint, is abnormal in digestive tract cancers. Cell. 84(4): 587-97.