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Effect of internal viral 
sequences on the 
utility of retroviral vectors 
Running Title: M-MuLV derived retroviral vectors 
Donna Armentano*, Sheau-Fung Yu*, Philip W. Kantoff**, 
Thomas von Ruden*, W. French Anderson**, Eli Gilboa* 
* Program in Molecular Biology 
Memorial Sloan-Kettering Cancer Center 
New York, NY 10021 
** Laboratory of Molecular Hematology 
National Heart, Lung and Blood Institute 
National Institutes of Health 
Bethesda, MD 20892 
[250] 
Recombinant DNA Research, Volume 12 
