experiments using rifn-gamma and preparations of purified lt confirmed that neither lymphokine alone , when added to bone marrow cells at the concentrations present in pha-cm , strongly inhibited day 7 or day 14 cfu-gm , but that the two lymphokines , added together , behaved synergistically to inhibit cfu-gm by up to 70 % .
C0024320
lt
C0024297
lymphokines