Host programmed death ligand 1 is dominant over programmed death ligand 2 expression in regulating graft-versus-host disease lethality

Asim Saha, Kazutoshi Aoyama, Patricia A. Taylor, Brent H. Koehn, Rachelle G. Veenstra, Angela Panoskaltsis-Mortari, David H. Munn, William J. Murphy, Miyuki Azuma, Hideo Yagita, Brian T. Fife, Mohammed H. Sayegh, Nader Najafian, Gerard Socie, Rafi Ahmed, Gordon J. Freeman, Arlene H. Sharpe, Bruce R. Blazar