natural porcine interferons ( poifns ) were obtained from : adherent peripheral blood leukocytes induced with newcastle disease virus ( ndv ) ( ifn-alpha ) , kidney fibroblasts induced with poly ( i : c ) ( ifn-beta ) and whole blood leukocytes induced with phytohemagglutinin ( ifn-gamma ) .
C0016030
fibroblasts
C0015980
ifn-beta