Bylsma LC, Levin-Sparenberg E, Lowe K, Sangare L, Fryzek J, Alexander DD. Prevalence of KRAS, NRAS, and BRAF gene mutations in metastatic colorectal cancer (MCRC) patients: A systematic literature review and meta-analysis. Poster presented as part of a Spotlight Poster Session at the International Society for Pharmacoepidemiology, Philadelphia, PA, August 2019.