%0 Journal Article %T Introduction—liquid biopsies in cancer studies %A Gahan, Peter B. %J Translational Cancer Research %D 2018 %B 2018 %9 %! Introduction—liquid biopsies in cancer studies %K %X The term liquid biopsy is a fairly recent addition to the scientific literature (1,2) and was originally defined as “A test made on a sample of blood to determine the presence of either circulating tumor cells (CTCs) or circulating DNA fragments (cfDNA) from a tumour circulating in the blood”. %U https://tcr.amegroups.org/article/view/19694 %P S101-S104 %@ 2219-6803