1. Berk, A.J. and Sharp, P.A. (1977) Sizing and mapping of early adenovirus 
mRNAs by gel electrophoresis of SI endonuclease digested hybrids. Cell 12 : 
721-732. 
2. Cepko, C.L., Roberts, B.E., Mulligan, R.C. (1984) Construction and 
applications of a highly transmissible murine retrovirus shuttle vector. Cell 
37 : 1053-1062. 
3. Eglitis, M.A., Kantoff, P., Gilboa, E. and Anderson, W.F. (1985) Gene 
expresion in mice after high efficiency retroviral-mediated gene transfer. 
Science 230: 1395-1398. 
4. Hock, R. A . and Miller, A. D . (1986) Retrovirus mediated transfer and 
expression of drug resistance genes in human haemopoietic progenitor cells. 
Nature 320 : 275-276. 
5. Hwang, L.S., Park, J., Gilboa, E. (1984) Role of intron-contained 
sequences in the formation of the Moloney murine leukemia virus env mRNA. 
Mol. Cell. Biol. 4j 2289-2297. 
6. Jorgensen, R.A., Rothstein, S., Reznikoff, W.S. (1979) Genetic 
organization of Tn5. Mol. Gen. Genet. 117 : 65-72. 
7. Joyner, A.L. and Bernstein, A. (1983). Retrovirus transduction : 
segregation of the viral transforming function and the herpes simplex virus tk 
gene in infectious Friend spleen focus-forming virus thymidine kinase 
vectors. Mol. Cell. Biol. 3: 2191-2202. 
Recombinant DNA Research, Volume 12 
[ 257 ] 
