eight weeks after the injection , 20 % alcohol-10 % sucrose solution ( diethylnitrosamine-alcohol group ) , 0.1 % sodium phenobarbital solution ( diethylnitrosamine-phenobarbital group ) , 10 % sucrose solution ( diethylnitrosamine-sucrose group ) or tap water ( diethylnitrosamine-alone group ) was given as drinking water for 32 weeks .
C0282303
sodium phenobarbital
C0031412
phenobarbital