PD-1 deficiency augments bone marrow failure in a minor-histocompatibility antigen mismatch lymphocyte infusion model. - Hollinger, Maile K.; Giudice, Valentina; Cummings, Nicole A.; Rivell, Guillermo; Zhang, Hansheng; Kajigaya, Sachiko; Keyvanfar, Keyvan; Chen, Jichun; Feng, Xingmin; Young, Neal S. (Experimental Hematology, 2018)