Authors: Salih, HR Kosowski, SG Haluska, VF Starling, GC Loo, DT Lee, F Aruffo, AA Trail, PA Kiener, PA

Citation: Hr. Salih et al., Constitutive expression of functional 4-1BB (CD137) ligand on carcinoma cells, J IMMUNOL, 165(5), 2000, pp. 2903-2910