Schrock, A. ., Pavlick, D. ., Klempner, S. ., Chung, J. ., Forcier, B. ., … Welsh, A. . (2018). Hybrid capture-based genomic profiling of circulating tumor DNA from patients with advanced cancers of the gastrointestinal tract or anus. Clinical Cancer Research : An Official Journal of the American Association for Cancer Research. https://doi.org/10.1158/1078-0432.CCR-17-3103 (Original work published 2018)