conditioned medium ( cm ) from 24-hr culture of guinea pig l2c b lymphoblastic leukemia cells contained an inhibitor ( s ) of mitogen- and antigen-stimulated proliferation of syngeneic ( strain 2 guinea pigs ) , allogeneic ( hartley guinea pigs ) , and xenogeneic ( balb/c mouse , nzw rabbit ) lymphocytes .
C1292769
b lymphoblastic
C0024264
lymphocytes