Herreros-Villanueva, Marta KRAS, BRAF, EGFR and HER2 gene status in a Spanish population of colorectal cancer. [electronic resource] - Molecular biology reports Feb 2011 - 1315-20 p. digital Publication Type: Journal Article; Research Support, Non-U.S. Gov't ISSN: 1573-4978 Standard No.: 10.1007/s11033-010-0232-x doi Subjects--Topical Terms: AdultAgedAged, 80 and overColorectal Neoplasms--ethnologyErbB Receptors--biosynthesisFemaleGene Expression Regulation, NeoplasticHumansMaleMiddle AgedMutationProto-Oncogene Proteins B-raf--biosynthesisProto-Oncogene Proteins p21(ras)--biosynthesisReceptor, ErbB-2--biosynthesisRetrospective StudiesSpain