Ryan Cook, a Leukemia survivor and bone marrow transplant, shares advice for current patients at Duke Children's Hospital. Casey Toth ctoth@heraldsun.com
Ryan Cook, a Leukemia survivor and bone marrow transplant, shares advice for current patients at Duke Children's Hospital. Casey Toth ctoth@heraldsun.com

Bone marrow transplant at Duke Hospital kept Ryan Cook alive

May 05, 2017 07:28 PM