under maximal stimulus conditions , a cytostatic effect resulted from exposing hcec to : alpha or gamma ifn ( greater than or equal to 1000 u/ml ) , tgf beta ( greater than or equal to 5 ng/ml ) , ril-1 ( greater than or equal to 0.5 u/ml ) and ril-1 plus gamma ifn .
C0086418
hcec
C1335621
ril