Overcoming immune resistance in the tumor microenvironment by blockade of indoleamine 2,3-dioxygenase and programmed death ligand 1.
Overcoming immune resistance in the tumor microenvironment by blockade of indoleamine 2,3-dioxygenase and programmed death ligand 1. Curr Opin Investig Drugs. 2004 Dec; 5(12):1279-83.