Bone Marrow Biopsy of Patient before and during Treatment with NOTCH Inhibitor Drug (image) Cold Spring Harbor Laboratory Share Print E-Mail Caption This is a histology staining of patient's bone marrow before (left), and after 4 weeks (middle) and 7 weeks (right) of treatment. The marrow contains mainly leukemic blasts prior to treatment that are subsequently cleared. Credit Copyright Knoechel et al. Usage Restrictions Image may be used with appropriate caption and credit. Share Print E-Mail 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.