title: Are exon 19 deletions and L858R EGFR mutations in non-small-cell lung cancer clinically different?
authors.forename: D B
authors.initials: DB
authors.lastname: Costa
authors.forename: S
authors.initials: S
authors.lastname: Kobayashi
mesh_terms: D000970:Antineoplastic Agents / Q000627:therapeutic use; D002289:Carcinoma, Non-Small-Cell Lung / Q000188:drug therapy / Q000235:genetics*; D015331:Cohort Studies; D066246:ErbB Receptors / Q000235:genetics*; D005091:Exons; D017353:Gene Deletion; D006801:Humans; D008175:Lung Neoplasms / Q000188:drug therapy / Q000235:genetics*; D009154:Mutation
chemical_list: D000970:Antineoplastic Agents; D066246:ErbB Receptors