animals were treated with either parenteral il-2 ( 7500 u three times daily on days 3 to 7 after tumor injection ) , or il-2 plus lak cells ( 7500 u il-2 times daily on days 3 to 7 , and 10 ( 8 ) lak cells intravenously on days 3 and 6 after tumor injection ) , or il-2 excipient ( three times daily on days 3 to 7 after tumor injection ) .
C0280508
il-2
C0022687
lak cells