dose log10dose dead n 
5.12861383991365 0.71 16 49 
10 1 18 48 
20.4173794466953 1.31 34 48 
30.1995172040202 1.48 47 49 
40.7380277804113 1.61 47 50 
50.1187233627272 1.7 48 48