title: A 21-Gene Expression Assay in Breast Cancer.
authors.forename: Joseph A
authors.initials: JA
authors.lastname: Sparano
mesh_terms: D018931:Antineoplastic Agents, Hormonal / Q000627:therapeutic use*; D001943:Breast Neoplasms / Q000188:drug therapy* / Q000235:genetics*; D005260:Female; D006801:Humans; D009364:Neoplasm Recurrence, Local / Q000517:prevention & control*
chemical_list: D018931:Antineoplastic Agents, Hormonal