AUTHOR=King Michael R. TITLE=Rolling in the deep: therapeutic targeting of circulating tumor cells JOURNAL=Frontiers in Oncology VOLUME=2 YEAR=2012 URL=https://www.frontiersin.org/journals/oncology/articles/10.3389/fonc.2012.00184 DOI=10.3389/fonc.2012.00184 ISSN=2234-943X