Landegren, U., Kaiser, R., Caskey, C.T., and Hood, L. 1988. DNA diagnostics— molecular techniques and auto- 
mation. Science 242:229-237. 
Lee, C.C., Kohara, Y, Akiyama, K., Smith, C.L., Craigen, WJ., and Caskey, C.T. 1988. Rapid and precise map- 
ping of the Escherichia coli release factor genes by two physical approaches. J Bacterial 170:4537-4541. 
MacGregor, G.R., and Caskey, C.T. 1989. Construction of plasmids that express E. coli P-galactosidase in 
mammalian cells. Nucleic Acids Res 17:2365. 
Ward, RA., Hejtmancik, J.F., Witkowski, J.A., Baumbach, L.L., Gunnell, S., Speer, J., Hawley, R, Latt, S ., Tan- 
travahi, U., and Caskey, C.T. 1989. Prenatal diagnosis of Duchenne muscular dystrophy: prospective link- 
age analysis and retrospective dystrophin cDNA analysis. Am J Hum Genet 44:270-281. 
Xu, Z., Yu, Y, Hsie, A.W, Caskey, C.T., Rossiter, B., and Gibbs, R.A. 1989. Deletion screening at the hypoxan- 
thine-guanine phosphoribosyltransferase locus in Chinese hamster cells using the polymerase chain reac- 
tion. Teratogenesis Carcinog Mutagen 9:177-187. 
172 
