Chance of finding a bone marrow match is 70 % for African-American . Registry meeting 10 million of the needs for African-Americans transplants , doctor says . Donor official says as low as 66 % of transplant patients will end up using stranger 's bone marrow .
Chance of finding a bone marrow match is as low as 66 % for African-Americans . Registry meeting only about a third of the needs for African-American transplants , doctor says . Donor official says 70 % of transplant patients will end up using stranger 's bone marrow .