title: Cancer complexity slows quest for cure.
authors.forename: Erika
authors.initials: E
authors.lastname: Check Hayden
mesh_terms: D019008:Drug Resistance, Neoplasm; D014644:Genetic Variation / Q000235:genetics*; D023281:Genomics; D005909:Glioblastoma / Q000188:drug therapy / Q000235:genetics; D006801:Humans; D009369:Neoplasms / Q000188:drug therapy* / Q000235:genetics* / Q000473:pathology; D010190:Pancreatic Neoplasms / Q000188:drug therapy / Q000235:genetics; D010597:Pharmacogenetics