Intergenic polymorphisms in the amphiregulin gene region as biomarkers in metastatic colorectal cancer patients treated with anti-EGFR plus irinotecan. - Sebio, A; Páez, D; Salazar, J; Berenguer-Llergo, A; Paré-Brunet, L; Lasa, A; del Río, E; Tobeña, M; Martín-Richard, M; Baiget, M; Barnadas, A (Pharmacogenomics Journal, 2014)