Clock (IMAGE) Johns Hopkins Medicine Caption Liquid biopsy for cancer. Credit Reprinted with permission from Victor Velculescu et al., <i>Science Translational Medicine</i> 2017 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.