animals were grouped in pairs for one of four treatments : 1 ) control , 2 ) oral dosing with sodium phenobarbital for 5 days , 3 ) dosing with sodium phenobarbital followed by oral dosing with aflatoxin b1 , and 4 ) oral dosing with aflatoxin b1 for 5 days .
C0031412
phenobarbital
C0282303
sodium phenobarbital