title: Biomarker debate highlights retrospective challenge.
authors.forename: Dan
authors.initials: D
authors.lastname: Jones
mesh_terms: D000970:Antineoplastic Agents / Q000494:pharmacology / Q000627:therapeutic use; D014408:Biomarkers, Tumor / Q000032:analysis* / Q000378:metabolism; D015179:Colorectal Neoplasms / Q000188:drug therapy* / Q000235:genetics; D003657:Decision Making; D016503:Drug Delivery Systems; D006801:Humans; D009154:Mutation / Q000235:genetics; D012107:Research Design / Q000592:standards; D012955:Societies, Medical; D014481:United States
chemical_list: D000970:Antineoplastic Agents; D014408:Biomarkers, Tumor