- Simultaneous control of third-degree graft-versus-host disease and prevention of recurrence of juvenile myelomonocytic leukemia (JMML) with 6-mercaptopurine following fulminant JMML relapse early after KIR-mismatched bone marrow transplantation. Stachel, D.K., Leipold, A., Kuhlen, M., Gravou-Apostolatou, C., Hirv, K., Bader, P., Niemeyer, C.M., Beck, J.D., Holter, W. J. Pediatr. Hematol. Oncol. (2005)