Provides information about diseases that may be treatable with hematopoietic cell transplants (which are bone marrow, peripheral blood stem cell, and/or cord blood tranplants), the transplant process and how to prepare for it, recovering from a transplant, transplants in children, and caring for a transplant recipient or person affected by a disease that may be treatable with a transplant. Provides referrals. Offers teleconferences and printed materials on a variety of topics related to disease management and transplant recovery.