nzzzzzza 
P EC 
i r_ 
s 
_i_ 
LTR V 
NEO' 
SV40 hADA 
LTR 
I I I I I I I I I ! l 1 l 
0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0 
Kb. 
Recombinant DNA Research, Volume 12 
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