Gardner, M.B. (1978). Type C viruses of wild mice: Characterization and natural 
history of amphotropic, ecotropic and xenotropic murine leukemia viruses. Cur. 
Top. Microbiol. Immunol. 70, 215-259. 
Garver, R.I., Chytil, A., Karlsson, S., Fells, G.A. , Brantly, M.L., Courtney, M. , 
Kantoff, P.W. , Nienhuis, A.W. , Anderson, W.F. , and Crystal, R.G. (1987). 
Production of glycosylated physiologically "normal" human alpha 1 -ant itrypsinby 
mouse fibroblasts modified by insertion of a human alphal -antitrypsin cDNA using 
a retroviral vector. Proc. Natl. Acad. Sci. USA 84, 1050-1054. 
Gattoni-Celli , S., Kirsch, K., Railed, S., and Isselbacher, K.J. (1986). 
Expression of type C-related endogenous retroviral sequences in human colon 
tumors and colon cancer cell lines. Proc. Natl. Acad. Sci. USA 83, 6127-6131. 
Gilboa, E. , Eglitis, M.A. , Kantoff, P.W. , and Anderson, W.F. (1986). Transfer 
and expression of cloned genes using retroviral vectors. Biotechniques 4, 
504-512. 
Goff, S., Traktman, P. , and Baltimore, D. (1981). Isolation and properties of 
Moloney murine leukemia virus mutants: use of a rapid assay for release of 
viriona reverse transcrriptase . J. Virol. 38, 239-248. 
Goff, S.P., Tabin, C.J., Wang, J.Y., Weinberg, R. , and Baltimore, D. (1982). 
Transfection of fibroblasts by cloned Abelson murine leukemia virus DNA and 
recovery of transmissible virus by recombination with helper virus. J. Virol. 41, 
271-285. 
Goldfarb, M.P. , and Weinberg, R.A. (1981). Generation of novel, biologically 
active Harvey sarcoma viruses via apparent illegitimate recombination. J. Virol. 
38, 136-150. 
Graham, F.L. , and Eb AJ van, d.e.r. (1973). A new technique for the assay of 
infectivity of human adenovirus 5 DNA. Virology. 52, 456-467. 
Gross, L. (1970). rus DNA. In: Oncogenic Viruses. 2nd Edition. Pergamon Press, 
New York 
Gruber, H.E. , Finley, K.D. , Hershberg, R.M. , Katzman, S.S., Laikind, P.K. , 
Seegmiller, J.E., Friedmann, T., Yee, J.K., and Jolly, D.J. (1985). Retroviral 
vector-mediated gene transfer into human hematopoietic progenitor cells. Science 
230(4729) . 1057-1061. 
Hartley, J.W., and Rowe, W.P. (1976). Naturally occurring murine leukemia 
viruses in wild mice: Characterization of a new amphotropic class. J. Virol. 19 , 
19-25. 
Hirt, B. (1967). Selective extraction of polyoma DNA from infected mouse cell 
cultures. J. Mol. Biol. 26, 365-369. 
Hock, R.A. , and Miller, A.D. (1986). Retrovirus-mediated transfer and expression 
of drug resistance genes in human haematopoietic progenitor cells. Nature 
320(6059) . 275-277. 
Recombinant DNA Research, Volume 12 
[ 93 ] 
