Graphical Abstract (IMAGE) Stowers Institute for Medical Research Caption Co-existence of rHSCs and pHSCs in bone marrow with the latter sensitive to chemotherapy but the former surviving chemotherapy and restoring the HSC pool. Credit Courtesy of Mark Miller, Stowers Institute for Medical Research Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.