rownames,dose,surv
1,117.5,44
2,117.5,55
3,235,16
4,235,13
5,470,4
6,470,1.96
7,470,6.12
8,705,0.5
9,705,0.32
10,940,0.11
11,940,0.015
12,940,0.019
13,1410,0.7
14,1410,0.006