title: Breast cancer: relevance of estrogen receptor determination at relapse.
authors.forename: V
authors.initials: V
authors.lastname: Spataro
authors.forename: A
authors.initials: A
authors.lastname: Goldhirsch
mesh_terms: D001943:Breast Neoplasms / Q000737:chemistry*; D005260:Female; D006801:Humans; D011237:Predictive Value of Tests; D011960:Receptors, Estrogen / Q000032:analysis*; D012008:Recurrence; D016019:Survival Analysis
chemical_list: D011960:Receptors, Estrogen